“幻方”是涉及数字组合的一类数学问题 ,一般地说 ,幻方是指把从 1到n2 的自然数排成纵横各有n个数 ,并且使同行、同列与同一主对角线上的n个数的和都相等的一种方阵 ,n叫做幻方的阶数 .中国可以说是幻方的发源地 ,最早的幻方是汉代的九宫图 ,这是最基本的幻方 ,其纵列、横行 “Magic square” is a type of mathematics problem involving a combination of numbers. In general, magic square refers to arranging natural numbers from 1 to n2 in n numbers in a horizontal and vertical direction, and making the same diagonal of the same column in the same column. The squares of the sum of the n numbers are equal, and n is called the order of the magic square. China can be said to be the birthplace of the magic square. The earliest magic square is the Jiugong Diagram of the Han Dynasty. This is the most basic magic square. Its columns and rows