Contents of Journal of Recreational Mathematics Volume 25

Contents of Journal of Recreational Mathematics Volume 25

Number 1

“On Automorphic Numbers of Degree n,” by Jingcheng Tong

“Proof of the Perfect Regularity of Primitive Cell Arrays Embedded in the Special Array,” by Robert S. Sery

“The Magic Hexagram,” by John R. Hendricks

Letter to the Editor

“Are Supreme Court Resignations Non-Stochastic,” by Shirin S. Tabechian, Andrew C. Peach and Paul M. Sommers

“Breaking the Area Barrier,” by Steven Kahan

“64, No Threats – Part 2: The Generalized Problem Solved by Configuration Schemes,” by L. V. Allis, H. J. van den Herik and M. M. Wind

Errata

“An Interesting Property of the Base 6 and 9 Number Systems,” by R. M. Sternheimer

“k-Trees,” by Carrie Heilweil

“A Prime Gap of 864,” by Sol Weintraub

“2-4-6-8, . . . Prime Gaps that Appreciate,” by Steven Kahan

“Playing With 1993,” by Mert Sungur

“UBASIC,” by Chris K. Caldwell

Book Reviews, edited by Charles Ashbacher

Alphametics and Solutions to 24(1) Alphametics, edited by Steven Kahan

Poetry, by Hyman Gabai

Problems and Conjectures, edited by Joseph S. Madachy

Solutions to Problems and Conjectures, edited by Joseph S. Madachy

Solvers’ List

Number 2

“Base-Independent Palindromes,” by Thomas P. Sturm

“The Francis Louis Miksa Papers at the Archives of American Mathematics,” by Frederick F. Burchsted

“The Connell Sequence,” by Akhlesh Lakhtakia and Clifford A. Pickover

 “More on Square Repdigits,” by G. John Stevens

“Generalization of Trigg’s Constant and Composite Palindromes,” by Avadh Saxena

“Heptagonal Permutations of Consecutive Digits,” by Charles W. Trigg

“Five, in Ireland,” by Akhleskh Lakhtakia

“In Search of Perfect Smiths,” by James L. James

“Prime PDDI’s by Mary T. Whalen and Gordon L. Miller

“On the Total Number of Digits in a Consecutive Sequence of Integers,” by R. M. Sternheimer

“Solving Some Variations on a Variant of Tic-Tac-Toe Using Invariant Subsets,” by Ira Rosenholtz

“Prime Magic Squares for the Prime Year 1993,” by Allan Wm. Johnson Jr.

Errata

“On Some Unusual Properties of the Integer 2,” by R. M. Sternheimer

“Investing in the (St.) Nick of Time,” by Derek R. Lounsbury and Paul M. Sommers

Book Reviews, edited by Charles Ashbacher

Letter to the Editor

Alphametics and Solutions to 24(2) Alphametics, edited by Steven Kahan

Problems and Conjectures, edited by Joseph S. Madachy

Solvers’ List

Number 3

“Hexaflexagon + HFG = Slipagon!,” by Douglas A. Engel

“A Domino Game,” by Doug Ward

“Consecutive Primes in Arithmetic Progression,” by Sol Weintraub

“Recursively Laminar Primes,” by Stephen P. Huestis

“Numbers Without Letters,” by Brian R. Barwell

“A Million Sonnets,” by P. K. Aravind

“Generating Tile Patterns with a Square Rep Tile,” by Robert G. Clason

“Observation on the Gleichniszahlen-Reihe: An Unusual Number Theory Sequence,” by Akhlesh Lakhtakia and Clifford A. Pickover

Letters to the Editor

“The Design of an Alphametics Problem Solver,” by Robert G. High

Book Reviews, edited by Charles Ashbacher

Alphametics and Solutions to 24(3) Alphametics, edited by Steven Kahan

Problems and Conjectures, edited by Joseph S. Madachy

Solutions to Problems and Conjectures, edited by Joseph S. Madachy

Solvers’ List

Number 4

“Cleveland, Ohio: Still Under the Weather?” by Scott B. Harper and Paul M. Sommers

“The ‘Number of Mathematics’,” by Monte J. Zerger

“An Optimal Mastermind Strategy,” by Kenji Koyama and Tony W. Lai

“King Arthur Arrangements and Other Multi-Dimensional Permutations,” by Virgil Diodato and Marilyn Levine

Letter to the Editor

“Warnsdorff’s Tours of a Knight,” by Marco Valtorta and M. Ishaq Zahid

“Paths in Palindromes,” by Dr. Ted Yit

“Contact Order,” by Douglas J. Lanska

“An Inlaid Magic Cube,” by John R. Hendricks

Book Reviews, edited by Charles Ashbacher

Alphametics and Solutions to 24(4) Alphametics, edited by Steven Kahan

Problems and Conjectures, edited by Joseph S. Madachy

Solutions to Problems and Conjectures, edited by Joseph S. Madachy

Solvers’ List