Contents of Volume 4, Journal of Recreational Mathematics,
1971
Number 1
“Solid Knight’s Tours,” by Ian Stewart
“Domino and Superdomino Recreations – Part I,” by Wade E.
Philpott
“Repunit Riddles,” by Samuel Yates
“Computer Stamps From the Netherlands,” by J. H. van Lint
“The ’12 + 1’ False Coin Problem – Comment,” by Robert A.
McIvor
“The False Coin Problem Extended,” by Ted Roth
“The False Coin Problem Dissected and Decently Laid to
Rest,” by V. G. Hobbes
“Extension of the Chain-Cutting Problem,” by Donald R.
Byrkit and William M. Waters, Jr.
“Some Investigations Into the Game of Sim,” by A. P. DeLoach
“Fifth Order Concentric Magic Squares,” by Charles W. Trigg
“More About P = N^2 + M^3,” by Terrell Trotter, Jr.
“The Number of Possible Games of Chess,” by Ian Stewart
“Check Your Check Digit,” by R. W. Gesell
“Polyhedron Mousetraps,” by Doulas A. Engel
“A General Reversal-Subtraction,” by Charles W. Trigg
“Labelling the 13-Point Geometry,” by J. C. Ault
“Single Square Sums,” by J. A. H. Hunter
“Single Square Differences,” by J. A. H. Hunter
Problems and Conjectures
Errata
Solutions to Problems and Conjectures
Late Solutions
Answers to Repunit Riddles
Number 2
“Domino and Superdomino Recreations – Part 2,” by Wade E.
Philpott
“Wilson’s Theorem,” by M. H. Greenblatt
“A Three Square Geometry Problem,” by Charles W. Trigg
“A Consecutive-Digit Prime,” by Joseph S. Madachy
“Number Please,” by Maxey Brooke
“Double Square Sums,” by J. A. H. Hunter
“Double Square Differences,” by J. A. H. Hunter
“Schlegel Diagrams,” by Ernest R. Ranucci
“Some Relatives of the Integer 1089,” by Leslie E. Card
“The Question of Allomorphs,” by John McClellan
“Random Hops on Polyhedral Edges and Other Networks,” by R.
Robinson Rowe
“A Fallacy in Limits,” by Prem N. Bajaj
Problems and Conjectures
“More Repunit Riddles,” by Samuel Yates
“Integer Oddities,” by J. A. H. Hunter
Solutions to Problems and Conjectures
Late Solutions
Errata
Letters to the Editor
“A Good Approximation to the Trisection of an Angle,” by
Michael A. Budin
“Answers to More Repunit Riddles,” by Samuel Yates
Number 3
“Dots and Triangles,” by Joseph Viggiano
“Cutting String and Arranging Counters,” by Brian R. Barwell
“Special Palindromic Primes,” by Charles W. Trigg
“A Doubly Magic Square with Remarkable Subsidiaries,” by
Charles W. Trigg
“The Problem of the Hidden Faces,” by John McClellan
“A New Solid Pentomino Problem,” by C. J. Bouwkamp
“The Ending Two-Digit Pattern of 2^(p-1)(2^p – 1),” by E. V.
Krishnamurthy
“Triple Square Sums,” by J. A. H.Hunter
“Triple Square Differences,” by J. A. H. Hunter
“Carroll’s Paper Folding Pillow-Problem,” by R. Robinson
Rowe
“An N-Dimensional Binary Coloring Problem,” by Douglas A.
Engel
“Calculator Art Contest,” by A. B. Sperry and Joseph S.
Madachy
“Children’s Games as a Means of Memory Training in Primitive
and Near-Primitive Societies,” by Paul G. Brewster
“The Collaboration Graph of Mathematicians and a Conjecture
of Erdős,” by Frank Harary
Rate Your Wits
Problems and Conjectures
Solutions to Problems and Conjectures
Solutions to Rate Your Wits
Number 4
“Domino and Superdomino Recreations – Part 3,” by Wade E.
Philpott
“Commutation,” by M. H. Greenblatt
“Double Trouble,” by Benjamin L. Schwartz
“Curious Factorizations,” by J. A. H. Hunter
“Edge-Magic and Edge-Antimagic Tetrahedrons,” by Charles W.
Trigg
“A Note on the Nature of the Infinite,” by Peter Hugh
DeVries
“Mathematics and the Game of Checkers,” by John W. Goppelt
“Roadtripping a Chessboard,” by R. Robinson Rowe
“Even and Odd Period Lengths,” by Samuel Yates
“On the Distribution of Primes Congrudent to Modulo 40,” by
R. V. Krishnamurthy
“A Low Density of Primes,” by Daniel Shanks
“The 100 Problem Revisited,” by Robert L. Patton, Jr.
Problems and
Conjectures
Alphametics
Solutions to Problems and Conjectures
Late Solutions
“Repunit Riddles – Set 3,” by Samuel Yates
Book Review
Letters to the Editor
Errata
“Answers to Repunit Riddles – Set 3,” by Samuel Yates
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