Contents of Volume 2,

**Journal of Recreational Mathematics**# Number 1

“Polyhedra Enumeration,” by John McClellan

“The Mathematics of Map Coloring,” by H. S. M. Coxeter

“An Annotated List of Recreational Mathematics Books,” by
Underwood Dudley

“Dee-Dee Consecutives,” by J. A. Lindon

“A New Proof that 2 = 1,” by B. L. Schwartz

Problems

Solutions to Problems

“Hybrid Flexahedrons,” by Douglas A. Engel

“Mathematical Elixir (Limerick),” by John McClellan

Elementary Section

# “Primes with 100 or More Digits,” by Rudolf Ondrejka

“Integers Equal to
N^2 + M^3,” by Charles W. Trigg

Mathematical
Browsing

“The Mayblox
Problem,” by Margaret A. Farrell

“Dots and Squares,”
by Ernest R. Ranucci

“The Section Called
Golden,” by Maxey Brooke

# Number 2

“The Game of Sim,” by Gustavus J. Simmons

“MacMahon’s Three-Color Squares,” by Wade E. Philpott

“Finiteness of a Set of Self-Generating Integers,” by B. L.
Schwartz

Book Reviews

“Pierre de Fermat’s Truly Marvelous Proof - An Imaginary Reconstruction for the Even

Powers,” by Peter Hugh DeVries

Powers,” by Peter Hugh DeVries

Letters to the Editor

Problems

Rate Your Wits

“An Unusual Integer,” by Norris Goodwin

“Twin Prime Curiosities,” by Leslie E. Card

Solutions to Rate Your Wits

“Number Shifts (Squares),” by J. A. Lindon

Errata

Elementary Section

“Sums of Squares,”
by Edward McArdle

“How to Get
Something for Nothing,” by Douglas A. Engel

“Abbreviated Dates,”
by Sidney Kravitz

“More Patterns in
Primes,” by Leslie E. Card

“A Close Look at
37,” by Charles W. Trigg

# Number 3

“A Geometrical Curiosity,” by Leon Bankoff

“The Gamow-Stern Elevator Problem,” by Donald E. Knuth

“Proof That Every Integer in the Infinite Series Beginning
2, 3, 6, 7, 10, 11, . . . has an Irrational Square Root,” by Peter Hugh DeVries

“Peculiar Properties of Repunits,” by Samuel Yates

“Integer Oddities,” by J. A. H. Hunter

“Prime Eights,” by A. R. Legard

“Prime Sums of Primes with Distinct Digits,” by Charles W.
Trigg

“Inverting Coin Triangles,” by Charles W. Trigg

Book Review

Letters to the Editor

Problems

Solutions to Problems

“More on Automorphic Numbers,” by R. A. Fairbairn

Elementary Section

“Construction of
Odd-Order Diabolic Magic Squares,” by J. A. H. Hunter

“Assembling Two
Polygons Into One,” by Harry Lindgren

“Pentominoes – Some
Solved and Unsolved Problems,” by Joseph S. Madachy

“Solving Instant
Insanity,” by Robert E. Levin

Errata

# Number 4

“Primes Ending in Three Like Digits,” by Leslie E. Card

“Arrows and Circuits,” by Brian R. Barwell

“Squares Ending With 0987654321,” by J. A. H. Hunter

“Bourbaki in Reverse,” by Blanche Descartes

“ An Observation Concerning the Decimal Periods of Prime
Reciprocals,” by E. V. Krishnamurthy

“12 to 16 Primes in Arithmetical Progression,” by Edgar
Karst

“Polyiamonds,” by Ir. P. J. Torbijn

Solutions to the Problems

Letters to the Editor

Book Reviews

Problems

Rate Your Wits!

Late Solutions

Errata

“The End of Three Squares,” by J. A. H. Hunter

“Integer Oddities,” by J. A. H. Hunter

“Integer Oddities,” by J. A. H. Hunter

“The Sums of Third Order Anti-Magic Squares,” by Charles W.
Trigg

“e^π or π^e?” by Arnold A. Allen

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