Intellectually Curious

Lemniscate Constant: Geometry, Transcendence, and Gauss

25 Dec 2024

Contributed by Lukas

Join us as we explore the Bernoulli lemniscate and its iconic constant—the ratio of its perimeter to its diameter. We trace its transcendental natur...

OEIS A00082: The n^2 × product over prime divisors (1+1/p) sequence — strong divisibility, multiplicativity, and links to zeta and modular forms

25 Dec 2024

Contributed by Lukas

We dive into A00082, the sequence defined by A(n) = n^2 ∏_{p|n} (1 + 1/p). We'll see a concrete calculation (n = 12 gives A(12) = 288) and expl...

Edge, Odds, and Growth: A Deep Dive into the Kelly Criterion

25 Dec 2024

Contributed by Lukas

A numbers-forward exploration of the Kelly Criterion: how to size bets and investments to maximize long-term wealth. From binary bets like coin tosses...

OEIS A000081: Rooted Trees and Hidden Connections

24 Dec 2024

Contributed by Lukas

A000081 counts unlabeled rooted trees with n nodes, but it surfaces in several surprising guises: arrangements of non-overlapping circles, connected e...

Euclidean Division Demystified: From Remainders to Cryptography

24 Dec 2024

Contributed by Lukas

We explore Euclidean division beyond grade-school remainders, why the quotient and remainder are unique, and how the Euclidean algorithm finds the gcd...

Color Theory: From Aristotle to RGB — A STEM Deep Dive

23 Dec 2024

Contributed by Lukas

Join us for a deep dive into color theory—where physics, biology, and psychology meet art. We trace how color ideas evolved from ancient philosopher...

OEIS A00000: Minimal Triangle Graphs

23 Dec 2024

Contributed by Lukas

We explore the counting of nonisomorphic minimal triangle graphs on n vertices — graphs in which every triangle is indispensable to the structure. T...

Bases Unboxed: The Basis Representation Theorem and the Uniqueness of Numbers

23 Dec 2024

Contributed by Lukas

In this episode, we explore why every positive integer has a unique representation in any base b — from decimal to binary to hexadecimal. We build i...

Montaigne Unplugged: Essays, Skepticism, and the Art of Questioning

23 Dec 2024

Contributed by Lukas

A deep dive into Michel de Montaigne's revolutionary Essays—the personal, conversational voice, his Pyrrhonian skepticism, and enduring lessons...

Poisson in the Supply Chain: Turning Random Demand into Smart Inventory

23 Dec 2024

Contributed by Lukas

In this episode, we demystify Poisson distributions and show how they model random events with a steady average rate—like daily demand, arrivals, or...

Goethe Unbound: The Scientist-Artist Who Connected Worlds

23 Dec 2024

Contributed by Lukas

In this episode, we pull back the curtain on Johann Wolfgang von Goethe to show a life that fused science, art, and philosophy. We trace his leap from...

Cosmic Naps: The Dormant Giant Black Hole Shaking Up Our View of the Early Universe

23 Dec 2024

Contributed by Lukas

A behemoth supermassive black hole, weighing about 400 million suns, is found in a surprisingly small galaxy just 800 million years after the Big Bang...

The Libero Playbook: Inside College Volleyball's Defensive Engine

23 Dec 2024

Contributed by Lukas

A deep dive into the libero—the visually distinct back-row specialist who digs, sets, and guides the defense. Using NCAA.com and The College Volleyb...

OEIS A000079: Powers of Two

22 Dec 2024

Contributed by Lukas

Take a deep dive into OEIS A000079, the powers of two. From counting subsets to binary foundations in computer science, and from Mersenne primes and p...

Induction Unlocked: The Domino Principle in Number Theory

22 Dec 2024

Contributed by Lukas

This episode demystifies mathematical induction—from the domino analogy to the base case and induction step. We'll prove a classic result, the ...

Deep Dive: The Busy Beaver Problem

21 Dec 2024

Contributed by Lukas

Join us as we explore the Busy Beaver problem: how a tiny Turing machine with a fixed number of states can produce astonishing output or run forever, ...

Stonehenge by Design: Engineering the Ancient Monument

21 Dec 2024

Contributed by Lukas

A STEM-focused journey into Stonehenge, tracing its five construction phases—from timber posts and Aubrey Holes to the bluestones and the great sars...

OEIS A00078: The Tetranacci Numbers

21 Dec 2024

Contributed by Lukas

We explore A00078, the tetranacci sequence defined by T(n) = T(n-1) + T(n-2) + T(n-3) + T(n-4) with initial values T(0)=T(1)=T(2)=0 and T(3)=1. We tra...

Exploration vs Exploitation: A Deep Dive into the Multi-Armed Bandit

21 Dec 2024

Contributed by Lukas

Take a deep dive into the multi-armed bandit problem, the math behind balancing exploration and exploitation. Using the slot-machine analogy, we’ll ...

Exploitation vs Exploration: The Learning Dilemma in AI

21 Dec 2024

Contributed by Lukas

We unpack the exploration-exploitation dilemma in machine learning and AI, from the classic multi-armed bandit to sophisticated reinforcement learning...

OEIS A000077: Representations by x^2 + 6y^2

20 Dec 2024

Contributed by Lukas

We explore OEIS A000077, the sequence counting how many integers up to 2^n can be written as x^2 + 6y^2. We'll look at a concrete example, examin...

Spherical Trigonometry: Triangles on a Sphere

20 Dec 2024

Contributed by Lukas

A concise, engaging tour of spherical trigonometry—from cosine and sine rules and polar triangles to Napier's rules for right triangles, spheri...

Policy Gradient Made Easy: From Bikes to Language Models

20 Dec 2024

Contributed by Lukas

A friendly, intuition‑first tour of the policy gradient theorem in reinforcement learning. We use bike‑riding analogies, simple explanations, and ...

The Year in Computer Science: Busy Beavers, Quantum Codes, and AI Grokking

20 Dec 2024

Contributed by Lukas

A deep dive into Quanta's Year in CS: how citizen scientists cracked the 5-rule Busy Beaver number, the push and limits of error-correcting codes...

The Year in Physics 2024: Dark Energy to Quantum Frontiers

19 Dec 2024

Contributed by Lukas

A concise, insight-packed look at Quanta Magazine’s The Year in Physics (2024). We unpack big stories—from a possible weakening of dark energy and...

La Tomatina: The Tomato-Tossing Tale of Buñol

19 Dec 2024

Contributed by Lukas

Join us for a playful, fact-filled dive into La Tomatina, the world’s biggest food fight. We trace its surprising origins in the 1940s, the ban and ...

Deep Dive: A000006 — Squares, Boundaries, and the OEIS

19 Dec 2024

Contributed by Lukas

We explore A000006 from the OEIS, decoding the quadratic form 4x^2 + 4xy + 5y^2. Using Bert Dobbeler's completing-the-square trick to rewrite it ...

Sidron Cave: Bones, Genes, and the Neanderthal Family

18 Dec 2024

Contributed by Lukas

A deep dive into Sidron Cave in Spain, where the Tunnel of Bones held at least 13 Neanderthals. We explore their lives and deaths, from the growth of ...

Selim the Grim: The Eight-Year Rise that Reshaped the Muslim World

18 Dec 2024

Contributed by Lukas

A focused dive into Selim I's eight-year reign, from ruthless power consolidation to decisive campaigns against the Safavids and Mamluks. Explore...

OEIS A000075: Representations by the quadratic form 2x^2 + 3y^2 up to 2^n

18 Dec 2024

Contributed by Lukas

We explore A000075, the count of integers ≤ 2^n that can be written as 2x^2 + 3y^2 with integers x and y. For n = 3, there are four such integers: 2...

The Army of Chalons: France’s Desperate Drive to Sedan

18 Dec 2024

Contributed by Lukas

A deep dive into the improvised Army of Chalons formed in August 1870 during the Franco‑Prussian War. We trace its rushed assembly, the failed relie...

The Shape of the Cosmos: Geometry, Topology, and the Universe

17 Dec 2024

Contributed by Lukas

A guided tour from Euclidean intuition to general relativity, exploring how curvature, density, and global topology shape the universe. We’ll unpack...

Sphere Packing: From Kepler to E8 — A Deep Dive into Dense Arrangements

17 Dec 2024

Contributed by Lukas

Join us as we trace the history of sphere packing, from Kepler's 1611 conjecture and Gauss's lattice results to Hales's computer-assist...

OEIS A000074: Odd numbers ≤ 2^n expressible as the sum of two squares

17 Dec 2024

Contributed by Lukas

A concise exploration of A000074: the number of odd integers up to 2^n that can be written as a sum of two squares. We unpack Fermat's theorem on...

Babylonian Math: Clay Tablets, Base-60, and the Seeds of Modern Calculation

17 Dec 2024

Contributed by Lukas

A deep dive into ancient Mesopotamian mathematics—from sexagesimal arithmetic and ready-made tables to quadratic methods and the Pythagorean triples...

2024 Math Breakthroughs: Langlands, AI, and the Shape of the Unknown

17 Dec 2024

Contributed by Lukas

A dive into 2024’s most impactful mathematical advances—from the long-awaited geometric Langlands proof and AI-driven proofs to new insights in sp...

Ashes 2023: Baz Ball, Brilliance, and the Battle for the Urn

16 Dec 2024

Contributed by Lukas

A deep-dive into England vs Australia in the 2023 Ashes. From Baz Ball’s attacking renaissance to five razor-thin Tests, we unpack the drama, contro...

The Frequency Illusion: Why You Start Seeing What You Just Learned

16 Dec 2024

Contributed by Lukas

An exploration of the Baader-Meinhoff phenomenon (frequency illusion): how selective attention, confirmation bias, and the recency illusion shape our ...

OEIS A000073: Tribonacci numbers

16 Dec 2024

Contributed by Lukas

In this episode we explore the Tribonacci sequence, defined by summing the three previous terms with starts 0, 0, 1. We uncover its rich connections t...

Michael Cates — Soft Matter, Active Matter, and the Lucasian Legacy

16 Dec 2024

Contributed by Lukas

A deep dive into the 19th Lucasian Professor of Mathematics, Michael Cates. We explore his groundbreaking work in soft matter and active systems—fro...

Currency of Collaboration: Social Exchange Theory in STEM

15 Dec 2024

Contributed by Lukas

A clear, concise dive into social exchange theory and how it shapes collaboration, mentorship, and power dynamics in science. We translate costs, rewa...

Foundations in Flux: The 1921 APFA Season and the Birth of the NFL

15 Dec 2024

Contributed by Lukas

A deep dive into the 1921 APFA season—the Akron reorganization with Joe Carr, the surge of 21 teams, the fragile finances and evolving rules that sh...

IPL 2008: The Inaugural Season That Redefined Cricket

15 Dec 2024

Contributed by Lukas

A deep dive into the IPL's launch in 2008: how T20 cricket reshaped the sport, the record-breaking auctions and celebrity-backed franchises, the ...

The 1992 Premier League Revolution: Birth of a Global Football Era

15 Dec 2024

Contributed by Lukas

A concise, sweeping dive into the league’s inaugural 1992-93 season—from the Sky-BBC money boom and record transfers to Cantona’s spark at Unite...

BBL01: The First Big Bash—How City-Based T20 Rewrote Australian Cricket

15 Dec 2024

Contributed by Lukas

A deep dive into Australia’s inaugural Big Bash League season, BBL01, where city-based franchises redefined T20 cricket. We cover the dramatic WACA ...

Radical Shifts: The Scientific Revolution and Its Architects

15 Dec 2024

Contributed by Lukas

A deep dive into the era that redefined humanity's understanding of the universe. We trace the move from Aristotelian–Ptolemaic cosmology to em...

OEIS A000072: Representations of numbers ≤ 2^n as x^2 + 4 y^n

15 Dec 2024

Contributed by Lukas

A guided tour of A000072, the sequence counting how many positive integers up to 2^n can be written in the form x^2 + 4 y^n. We explore the number-the...

The Green-Schwarz Revolution: Michael Green and the Unification of String Theory

15 Dec 2024

Contributed by Lukas

Dive into the life of Michael Green, the 18th Lucasian Professor, whose collaboration with John Schwartz unlocked a loophole in type I string theory w...

OEIS A000071: Fibonacci numbers minus one

14 Dec 2024

Contributed by Lukas

Join us for a deep dive into A000071, the Fibonacci numbers minus one. We trace its simple origin a(n) = F(n) − 1 (with a1 = 0, a2 = 0, a3 = 1, a4 =...

Birth of the NFL: The Wild 1920 APFA Season

14 Dec 2024

Contributed by Lukas

Take a journey back to 1920, when pro football looked more like a loose association than a league. We explore chaotic schedules, disputed championship...

OEIS A000070: Partitions, Ferrers diagrams, one-transitions, and cycle subgraphs

13 Dec 2024

Contributed by Lukas

We dive into A000070, the cumulative partition-counting sequence. Beyond counting partitions of 0 through n, the entry reveals rich structure: Ferrers...

Lighthill Unbound: The Fluid Mind Behind Planes, Traffic, and AI

13 Dec 2024

Contributed by Lukas

Explore James Lighthill, the Cambridge mathematician whose work in fluid dynamics and aeroacoustics transformed aviation, traffic flow, and early AI t...

Sturmur's Harmonics: Smooth Numbers, Pell Equations, and the Music of Math

13 Dec 2024

Contributed by Lukas

In this Deep Dive, we unravel smooth numbers and Sturmur's theorem, show how Pell equations unlock consecutive smooth pairs, and connect these id...

OEIS A000069: Odious numbers

12 Dec 2024

Contributed by Lukas

Odious numbers are the nonnegative integers with an odd number of 1s in their binary expansion. In this episode we explore the surprising symmetries t...

Dirac: The Quiet Architect of Quantum Reality

12 Dec 2024

Contributed by Lukas

Episode 16 of Deep Dive profiles Paul Dirac, the 15th Lucasian Professor of Mathematics. We trace his unlikely path from electrical engineering to the...

The Seven Bridges That Built Graph Theory

11 Dec 2024

Contributed by Lukas

From Königsberg’s legendary bridges to the birth of graph theory: how Euler turned a simple city puzzle into a universal framework by treating land...

OEIS A000068: Numbers k for which k^4 + 1 is prime

11 Dec 2024

Contributed by Lukas

We explore A000068—the integers k such that k^4 + 1 is prime—and its rich connection to Fermat numbers and the prime mysteries that surround them....

Larmor in the Ether: Joseph Larmor and the Making of Modern Physics

11 Dec 2024

Contributed by Lukas

Episode 15 of our Lucasian Professors series examines Sir Joseph Larmor—Irish-born mathematician and physicist, senior wrangler, and the man who gav...

OEIS A00067: Counts of integers ≤ 2^n representable as x^2 + 2y^2

10 Dec 2024

Contributed by Lukas

Explore A00067, the counts of integers ≤ 2^n that can be represented as x^2 + 2y^2. From positive-definite quadratic forms to lattices and Landau’...

OEIS A000066: Cage graphs

10 Dec 2024

Contributed by Lukas

An exploration of the cubic (3-regular) cage graphs: the smallest number of vertices needed for a graph to have a given girth. We discuss what A000066...

Stokes, Flow, and the Navier–Stokes: A Deep Dive into Fluid Dynamics

10 Dec 2024

Contributed by Lukas

Join us for episode 14 as we explore Sir George Stokes, the 13th Lucasian Professor, and his lasting impact on fluid dynamics. From simplifying the Na...

Handshake Secrets: Unlocking the Handshaking Lemma in Graph Theory

10 Dec 2024

Contributed by Lukas

A friendly deep-dive into the handshaking lemma. We explain what graphs are, why the sum of vertex degrees equals twice the number of edges, and why a...

God's Banker: The Banco Ambrosiano Scandal

09 Dec 2024

Contributed by Lukas

A gripping true-crime saga tracing the Banco Ambrosiano collapse—from its Vatican-linked roots and offshore dealings to the shadowy P2 lodge and Col...

The Traitorous Eight and the Birth of Silicon Valley

09 Dec 2024

Contributed by Lukas

In this episode, we explore the infamous exodus from Shockley Semiconductor and the birth of Fairchild, tracing how Moore, Noyce, and their colleagues...

OEIS A000065: Partitions, Geometry, Graphs, and Beyond

09 Dec 2024

Contributed by Lukas

We peel back the layers of A000065, the ‘minus one plus the number of partitions’ sequence, and watch it thread through geometry, graph theory, an...

The Great Filter: Decoding the Fermi Paradox

09 Dec 2024

Contributed by Lukas

Join us for a rigorous, accessible dive into the Fermi Paradox and its most provocative answer—the Great Filter. We unpack what abiogenesis means, w...

OEIS A000064: Ways to Make Change with 1, 2, 5, and 10-Cent Coins

09 Dec 2024

Contributed by Lukas

We explore A000064, the coin-change sequence that counts, for each n, the number of ways to make change using 1, 2, 5, and 10-cent coins. We unpack it...

The Quiet Scholar: Joshua King and the Hidden Legacy of the Lucasian Chair

09 Dec 2024

Contributed by Lukas

Dive into the life of Joshua King, the 12th Lucasian Professor, who rose from Hawkshead to Cambridge but published only one paper. We examine his admi...

OEIS A000063: Kite-Symmetric Triangulations and Catalan Connections

08 Dec 2024

Contributed by Lukas

Explore A000063, the OEIS entry counting polygon triangulations that respect a kite-shaped symmetry. Learn what kite symmetry means in triangulations,...

Richard K. Guy: A Life of Numbers, Games, and Collaboration

08 Dec 2024

Contributed by Lukas

A deep dive into the life and work of Richard K. Guy, the British mathematician whose career spanned number theory, recreational mathematics, and ches...

Charles Babbage: The Father of Computing

08 Dec 2024

Contributed by Lukas

We explore Charles Babbage, the 11th Lucasian Professor of Mathematics, and his quest to automate calculation. From the Difference Engine to the Analy...

Liquid Neural Networks: Real-Time AI That Learns on the Fly

07 Dec 2024

Contributed by Lukas

An expert dive into liquid neural networks (LNNs): how time-continuous processing lets them adapt in real time, and why they’re compact enough for e...

Lemons, Zinc, and Power: A Deep Dive into the Lemon Battery

07 Dec 2024

Contributed by Lukas

Join us for a thorough look at the lemon battery—from its roots in early electrochemistry to the zinc–copper setup you can DIY. We’ll unpack red...

From Frog Legs to Batteries: The Electric World of Chemical Reactions

07 Dec 2024

Contributed by Lukas

Explore the language of chemical equations and the electrifying world of electrochemistry. Trace the history from Galvani’s frog legs to Volta’s b...

Ceres: Ice, Salt, and a Hidden Ocean in the Asteroid Belt

07 Dec 2024

Contributed by Lukas

Join us as we explore Ceres—the dwarf planet that’s reshaping our view of the asteroid belt. From Dawn’s data on its ice, salts, and possible su...

FRB Files: Cracking the Millisecond Mystery

07 Dec 2024

Contributed by Lukas

A deep dive into fast radio bursts—their discovery, the physics behind millisecond flashes, and what they reveal about the universe. From the Lorime...

Silhouette Analysis Demystified: A Quantitative Look at Clustering Quality

07 Dec 2024

Contributed by Lukas

We break down how to tell if your clusters are truly meaningful. Learn the core ideas behind silhouette analysis: A(I) as the intra-cluster distance, ...

OEIS A000062: BD sequences, complementary partitions, and Sturmian connections

07 Dec 2024

Contributed by Lukas

Join us as we unpack A000062, the Beatty-type BD sequence given by floor(n/(e−2)). We’ll explore its complementary partner A194807, Rayleigh’s B...

Messier Revealed: The Classic Deep-Sky Catalog

07 Dec 2024

Contributed by Lukas

Dive into Charles Messier's famed catalog—110 deep-sky objects that guided generations of stargazers to nebulae, star clusters, and galaxies. W...

Airy: The Lucasian Professor Who Shaped Greenwich, Gravity, and the Airy Disk

07 Dec 2024

Contributed by Lukas

In this episode we explore Sir George Biddell Airy, the 10th Lucasian Professor, whose work at the Royal Observatory helped shape GPS, timekeeping, an...

Genie 2: Turning a Single Image into Dynamic, Interactive Worlds

07 Dec 2024

Contributed by Lukas

Explore Google's DeepMind Genie 2, a model that can turn a single image into a dynamic, interactive 3D world with physics, long-horizon memory, a...

Gencast Unleashed: Diffusion AI Redefining Weather Forecasts

07 Dec 2024

Contributed by Lukas

In this episode, we dive into Gencast—the diffusion-model weather predictor from Google DeepMind trained on 40 years of ERA5 data. We'll explai...

Descriptive Statistics Demystified: From Means to Patterns

07 Dec 2024

Contributed by Lukas

A practical tour of descriptive statistics—mean vs. median, measures of variability, skewness and kurtosis, and the visuals that reveal data shapes....

OEIS A000061: Generalized tangent numbers, dn1

06 Dec 2024

Contributed by Lukas

Join us as we explore OEIS A000061, the generalized tangent numbers, dn1. We'll trace how these numbers arise from Euler's study of trigonom...

Turton's Turning Point: From Lucasian Chair to Bishop of Ely

06 Dec 2024

Contributed by Lukas

In Episode 10, we profile Thomas Turton, the ninth Lucasian professor, whose career arc runs from Cambridge math to high church leadership. We'll...

Proteins Uncovered: AI, ESM-Cambrian & AlphaFold

06 Dec 2024

Contributed by Lukas

Dive into how AI models like ESM-Cambrian and AlphaFold are changing protein science—from learning the language of proteins to predicting their 3D s...

Protists Unmasked: The Tiny Architects of Life

05 Dec 2024

Contributed by Lukas

Dive into the overlooked world of protists—eukaryotic rule-breakers that aren’t plants, animals, or fungi. From amoebas to diatoms to malaria para...

Deep Dive: The Hidden Powers of Probability Generating Functions

05 Dec 2024

Contributed by Lukas

A friendly tour of probability generating functions: how a polynomial can encode an entire probability distribution, their 18th‑century origins with...

OEIS A000606: Signed trees and their links to rooted and unrooted trees

05 Dec 2024

Contributed by Lukas

In this episode we explore A000606, the OEIS sequence counting signed trees on n nodes. We’ll unpack how signing the edges creates distinct structur...

OEIS A00059: Numbers k for which 2k^4 + 1 is prime

05 Dec 2024

Contributed by Lukas

Join us as we explore OEIS A00059—the sequence of integers k such that 2k^4 + 1 is prime. We trace how A00059 connects to A00068 and A03796, walk th...

Woodhouse and the Analytic Turn in British Mathematics

05 Dec 2024

Contributed by Lukas

Episode 9 profiles Robert Woodhouse, the seventh Lucasian Professor, tracing his push for continental calculus with differential notation, the birth o...

From Loom to Lucasian: The Isaac Milner Story

05 Dec 2024

Contributed by Lukas

From a weaver’s apprentice to Cambridge’s Lucasian Professor, Isaac Milner fused math genius, chemical innovation, and devout faith. He advanced a...

Trojan Horse: Deception, Myth, and the Making of a Metaphor

03 Dec 2024

Contributed by Lukas

In this Deep Dive, we unpack the famous Trojan Horse—what really happened, why it endures, and how storytellers across cultures reshaped its meaning...

OEIS A000058: Sylvester's sequence

03 Dec 2024

Contributed by Lukas

Sylvester’s sequence starts with 2 and is defined by a_{n+1} = (a_0 a_1 ... a_n) + 1. The first terms are 2, 3, 7, 43, 1807, …, and the growth is ...

Waring Unveiled: Edward Waring and the Analytic Turn in 18th-Century Cambridge

03 Dec 2024

Contributed by Lukas

A concise voyage into the life of Edward Waring, the sixth Lucasian Professor, from humble origins to Cambridge luminary. We explore the controversy o...

John Coulson — Bridging Theory and Practice at the Lucasian Chair

03 Dec 2024

Contributed by Lukas

In this episode, we explore John Coulson, the fifth Lucasian Professor (1739–1760). From a Rochester schoolmaster to a Fellow of the Royal Society, ...

Sanderson and the Fourth Lucasian: The Blind Mathematician Who Shaped Cambridge

03 Dec 2024

Contributed by Lukas

In Episode 5 of our Lucasian Professors series, we explore Nicholas Sanderson, the fourth holder of Newton's chair and a blind master of numbers....

Deep Dive: Dithmarschen — The Farming Republic That Defied the Crown

03 Dec 2024

Contributed by Lukas

A deep dive into Dithmarschen, the medieval marshland republic where farmers governed themselves, fought off kings, and traded across Europe as part o...

Apple Silicon Unpacked: From A-Series to M-Series Evolution

03 Dec 2024

Contributed by Lukas

We trace how Apple designs its own silicon, powering iPhones, iPads, and Macs—from the A-series origins to the M-series revolution. Learn what a Sys...

A-Train by the Numbers: Tracing NYC’s Hidden Timeline

02 Dec 2024

Contributed by Lukas

We explore the A train stops sequence (4, 14, 23, 34, 42, …, up to 207) from OEIS and how a simple list of numbers encodes the city’s growth. From...