3,112. A Property of the Prime 3511

A Dozen Difficult Diophantine Dilemmas

A Guessing Game of Bill Sands, and Bernardo Recamán's Barranca

article

A New Formula for Π

article

A Pentagonal Pot-Pourri of Perplexing Problems, Primarily Probabilistic

A Quarter Century of Monthly Unsolved Problems, 1969–1993

A Quintet of Quite Quickly Quoted Queries

A coarseness conjecture of Erdös

article published in 1967

A many-facetted problem of zarankiewicz

article

Addenda to “Monthly Research Problems 1969–77”

An Olla-Podrida of Open Problems, Often Oddly Posed

Any Answers Anent These Analytical Enigmas?

ApSimon's Diagonal Point Triangle Problem

Book Review: Mathematical Go: Chilling gets the last point

article

Book Review: Sphere packings, lattices and groups

Coin-Weighing Problems

Conway's Prime Producing Machine

Conway's RATS and Other Reversals

Conway's subprime Fibonacci sequences

scientific article published in December 2014

Corrigendum to: ‘‘What drives an aliquot sequence?” [Math. Comp. {\bf 29} (1975), 101–107;\ MR {\bf 52} \#5542]

scholarly article published in Mathematics of Computation

Crossing Number Problems

Crossing numbers of graphs

article

Divisors and Desires

Don't Try to Solve These Problems

Equitable and proportional coloring of trees

Every Number is Expressible as the Sum of How Many Polygonal Numbers?

Factoring Factorial n

Gewinnen Strategien für mathematische Spiele

Latest results on crossing numbers

article

Monthly Research Problems, 1969-79

Monthly Research Problems, 1969–71

Monthly Research Problems, 1969–73

Monthly Research Problems, 1969–77

Monthly Unsolved Problems 1969–1983

Monthly Unsolved Problems, 1969–1991

Monthly Unsolved Problems, 1969–1995

Monthly Unsolved Problems, 1969–1997

Mousetrap

My Favorite Elliptic Curve: A Tale of Two Types of Triangles

article by Richard K. Guy published November 1995 in American Mathematical Monthly

Nothing's New in Number Theory?

scientific article (publication date: December 1998)

Nu-configurations in tiling the square

article published in 1992

On rational Morley triangles

On refining partitions

scientific article published in April 1975

On the Möbius ladders

article published in 1967

Periods in Taking and Splitting Games

Serial Isogons of 90 Degrees

Some Suspiciously Simple Sequences

The Book of Numbers

book about numbers, patterns and theorems

The Encyclopedia of Integer Sequences, by N. J. A. Sloane and Simon Plouffe

The G-values of various games

The Mathematics of Plato's Academy. A New Reconstruction. By D. H. Fowler

The Second Strong Law of Small Numbers

The Strong Law of Small Numbers

The no-three-in-line problem

The primary pretenders

The slimming number and genus of graphs

The toroidal crossing number of Km,n

The toroidal crossing number of the complete graph

article by Richard K. Guy et al published May 1968 in Journal of Combinatorial Theory

Triangular imbedding of Kn − K6

Twenty Questions Concerning Conway's Sylver Coinage

Two Theorems on Partitions

Unsolved Problems in Number Theory

scientific article published in 2004

Unsolved Problems in Number Theory

What drives an aliquot sequence?

Which integers are representable as the product of the sum of three integers with the sum of their reciprocals?

Winning Ways for your Mathematical Plays

book by Elwyn Berlekamp

strong law of small numbers

semi-humorous mathematical law