Book:Journal/Journal of Recreational Mathematics

Journal of Recreational Mathematics

Publisher: Baywood Publishing Company

Dates

Started publication: $1968$ (founded by Joseph Steven Madachy)

Ended publication: $2014$

Featured Articles

• 1970: G.J. Simmons: Palindromic powers (Vol. 3: pp. 93 – 98)

• 1972: G.J. Simmons: On palindromic squares of non-palindromic numbers (Vol. 5: pp. 11 – 19)

• 1972: Elvin J. Lee and J.S. Madachy: The history and discovery of amicable numbers: part 1 (Vol. 5: pp. 77 – 93)

• 1972: Elvin J. Lee and J.S. Madachy: The history and discovery of amicable numbers: part 2 (Vol. 5: pp. 153 – 173)

• 1972: Elvin J. Lee and J.S. Madachy: The history and discovery of amicable numbers: part 3 (Vol. 5: pp. 231 – 249)

• 1972: J.S. Madachy: Consecutive-digit primes - again (Vol. 5: pp. 253 – 254)

• 1973: André Gouffé: Products Using All Ten Digits in the Denary System (Vol. 6, no. 1)

• 1973: Elvin J. Lee and J.S. Madachy: Errata to The History and Discovery of Amicable Numbers, I-III (Vol. 6: p. 53)

• 1973: N.J.A. Sloane: The persistence of a number (Vol. 6: pp. 97 – 98)

• 1973: Charles W. Trigg: Palindromic Triangular Numbers (Vol. 6: pp. 146 – 147)

• 1973: Elvin J. Lee and J.S. Madachy: Errata to The History and Discovery of Amicable Numbers, I-III (Vol. 6: p. 164)

• 1973: Elvin J. Lee and J.S. Madachy: Errata to The History and Discovery of Amicable Numbers, I-III (Vol. 6: p. 229)

• 1974: C. Nelson, D.E. Penney and C. Pomerance: 714 and 715 (Vol. 7, no. 2: pp. 87 – 89)

• 1975 -- 1976: A.C.C. Yao, E.M. Reingold and B. Sands: Tiling with Incomparable Rectangles (Vol. 8: pp. 112 – 119)

• 1975 -- 1976: Thomas Szirtes: On the Problem of Interchangeable Clock Hands (Vol. 8, no. 3: pp. 159 – 168)

• 1978 -- 1979: Harry L. Nelson and D. Slowinski: Searching for the $27$th Mersenne Prime (Vol. 11, no. 4: pp. 258 – 261)

• 1980 -- 1981: H.L. Nelson: A Solution to Archimedes' Cattle Problem (Vol. 13: pp. 162 – 176)

• 1981: Jeffrey Shallit: Prime Sums (Vol. 14: p. 44)

• 1981 -- 82: H.L. Nelson: Prime Sums (Vol. 14: p. 205)

• 1983: Michel Criton: Problems and Conjectures: $\text Q 1271$ (Vol. 16, no. 1: p. 59)

• 1984: Brian Barwell and Friend H. Kierstead, Jr: Solutions to Problems and Conjectures: $\text Q 1271$ (Vol. 17, no. 1: p. 70)

• 1985: M.R. Calandra: Integers which are Palindromic in both Decimal and Binary Notation (Vol. 18, no. 1: p. 47)

• 1985: J. Meeus: Multibasic Palindromes (Vol. 18: pp. 168 – 173)

• 1985: S. Pilpel: Some More Double Palindromic Integers (Vol. 18: pp. 174 – 176)

• 1987: C. Caldwell: Truncatable primes (Vol. 19: pp. 30 – 33)

• 1987: Wayne L. McDaniel: Palindromic Smith Numbers (Vol. 19: pp. 34 – 37)

• 1987: Mike Keith: Repfigit Numbers (Vol. 19: pp. 41 – 42)

• 1987: H. Dubner: Factorial and primorial primes (Vol. 19: pp. 197 – 203)

• 1988: R. Ondrejka: A Palindrome (151) of Palindromic Squares (Vol. 20: pp. 68 – 71)

• 1988: H.L. Nelson: A Consecutive Prime $3 \times 3$ Magic Square (Vol. 20: pp. 214 – 216)

• 1989: Andy Pepperdine: Pythagorean Quadrilaterals (Vol. 21: pp. 8 – 12)

• 1989: John M. Howell: Problems and Conjectures: $\text Q 1692$. Three Squares (Vol. 21: p. 68)

• 1989: Ahmer Yasar Özban: Problems and Conjectures: $\text Q 1693$. Powers of $2$ (Vol. 21: p. 68)

• 1990: Harvey Dubner and Harry Nelson: Carmichael Numbers Which Are the Product of Three Carmichael Numbers (Vol. 22: p. 3)

• 1990: Solutions to Problems and Conjectures: $\text Q 1692$. Three Squares (Vol. 22: pp. 74 – 76)

• 1990: Solutions to Problems and Conjectures: $\text Q 1693$. Powers of $2$: Research by Various Readers (Vol. 22: p. 76)

• 1990: C. Ashbacher: More on palindromic squares (Vol. 22: pp. 133 – 135)

• 1990: C. Ashbacher: Representing Integers as the Sum of a Prime and Twice a Square (Vol. 22: pp. 244 – 245)

• 1990: M.T. Whalen and C.L. Miller: Odd abundant numbers: some interesting observations (Vol. 22: pp. 257 – 261)

• 1993: Sol Weintraub: A Prime Gap of $864$ (Vol. 25: pp. 42 – 43)

• 1993: Monte James Zerger: The 'Number of Mathematics ('Vol. 25: pp. 247 – 251)

• 1994: Saunders: No more powers of 2 with this property up to $2^{70000}$ (Vol. 26: p. 151)

• 1994: Mike Keith: All Repfigit Numbers Less than $100$ Billion $\left({10^{11} }\right)$ (Vol. 26: p. 181)

• 1994: B. Heleen: Finding Repfigits--A New Approach (Vol. 26: pp. 184 – 187)

• 1994: N.M. Robinson: All Known Replicating Fibonacci Digits Less than One Thousand Billion ($10^{12}$) (Vol. 26: pp. 188 – 191)

• 1994: K. Shirriff: Computing Replicating Fibonacci Digits (Vol. 26: pp. 191 – 193)

• 1994: H.A. Esche: Non-Decimal Replicating Fibonacci Digits (Vol. 26: pp. 193 – 194)

• 1994: Table: Repfigit Numbers (Base $10^*$) Less than $10^{15}$ (Vol. 26: p. 195)

• 1994: Harvey Dubner: Palindromic Primes with a Palindromic Prime Number of Digits (Vol. 26, no. 4: p. 256)

• 1995: David Breyer Singmaster: Determination of all pan-digital sums with two summands (Vol. 27, no. 3: p. 183)

• 1996-7: Charles R. Fleenor: Heronian Triangles with Consecutive Integer Sides (Vol. 28, no. 2: pp. 113 – 115)

• 1999 -- 2000: J. Shallit: Minimal primes (Vol. 30, no. 2: pp. 113 – 117)