Chinese Quarterly Journal of Mathematics ›› 2004, Vol. 19 ›› Issue (2): 172-185.

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Constructing Pandiagonal Snowflake Magic Squares of Odd Order

  

  1. College of Mathematics and Information Science, Henan Normal University, Xinxiang 453007, China; Teaching and Research Section of Mathematics, the Ninth Middle School of Xinxiang, Xinxiang 453002, China
  • Received:2002-09-02 Online:2004-06-30 Published:2024-03-19
  • About author:ZHANG Shi-de(1936-),male,native of Anyang,Henan,a professor of Henan Normal University, engages in combinatorial mathematics.

Abstract: The constructional methods of pandiagonal snowflake magic squares of orders 4m are established in paper [3]. In this paper, the constructional methods of pandiagonal snowflake magic squares of odd orders n are established with n = 6m+l, 6m+5 and 6m+3, m is an odd positive integer and m is an even positive integer 9|6m + 3. It is seen that the number sets for constructing pandiagonal snowflake magic squares can be extended to the matrices with symmetric partial difference in each direction for orders 6m + 1 , 6m + 5; to the trisection matrices with symmetric partial difference in each direction for order 6m + 3.

Key words: pandiagonal magic squares, matrix with uniform partial difference in each direction, matrix with symmetric partial difference in each direction, trisection matrix with , uniform partial difference in each direction, semi-pandiagonal Latin square with the same
sum,
pandiagonal Latin square, the property of snowfake

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