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Partitions into Distinct Parts

Dedekind's Problem

On Eulerian Numbers

Permutation Loops

The Four Color Theorem

Polyomino Enumerations

Powers of Primes Dividing Factorials

The Dartboard Sequence

Meeting Combinations and Interval Graphs

Binary Games

Additive and Multiplicative Partitions

414298141056 Quarto Draws Suffice!

Coloring The Edges of an Icosahedron

Uniform Squares

Cumulative Permutation Sequences

Center of Gravity With Integer Coordinates

The Factorial Number System

Sums and Differences of Discrete Functions

The Statistics of Counterintelligence

Partition Transform Cycles

Clouds, Shy Squares, and Diophantus

Computing the Partitions of n

Solving Magic Squares

Generating the Monotone Boolean Functions

Meeting Probabilities

The Determinants of 4x4 Magic Squares

Discrete Circular Distributions

Balls In Bins With Limited Capacities

The Importance of Being Urnest (B Balls, K Colors, N Urns)

Sequences of Characters in Random Strings

Complete Bit-Cubes

A Procrustean Protocol

Partitions into Consecutive Integers

Tables of 1 to N with Equal Columns

Regular Polygonal Arrangements

The Boxer and the Pigeons

Two Proofs of Impossibility for Five-Point Star

Golf Tournaments, Polyhedra, and Latin Squares

Generating Functions for Point Set Distances

Derangements and Generalizations

Round-Robin Ties

The Coin in Three Fountains

Impossible Strings for Cellular Automata

Hamilton Cycles on McCauley Graphs

Permutation Puzzles

Collecting k Complete Sets of Coupons

Christmas Ornaments

Pythagorean Graphs

Ringing of the Changes (The Shape of 4!)

f(f(x))=exp(x) Generates the Multinomials

Progress on Dedekind's Problem

Electoral Draws

On Euler's Pentagonal Theorem

Generating Functions and Recurrence Relations