奇数幻方：有一N*N的方阵，其中n为奇数，在n*n的幻方内将1到n^2的整数填入其中，是的其各行，各列及对角线的和都相等。-The odd magic square: a N*N matrix, where n is an odd number, in the n*n magic within 1 to n^2 integer which is filled, the rows, columns and diagonal and are equal.