A156400 Number of 9X9 arrays of squares of integers, symmetric about the diagonal and under 90 degree rotation, with all rows summing to n.

1, 0, 0, 0, 18, 0, 0, 0, 0, 11, 0, 0, 64, 0, 0, 0, 42, 18, 0, 0, 42, 0, 0, 0, 72, 36, 0, 0, 0, 0, 0, 0, 96, 15, 0, 0, 257, 0, 0, 0, 120, 72, 0, 0, 240, 0, 0, 0, 172, 288, 0, 0, 204, 0, 0, 0, 216, 122, 0, 0, 0, 0, 0, 0, 138, 36, 0, 0, 1050, 0, 0, 0, 192, 294, 0, 0, 1320, 0, 0, 0, 186, 387, 0, 0