A156392 Number of 7X7 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

1, 20, 132, 294, 440, 270, 1414, 635, 1716, 2096, 5108, 9108, 3066, 3096, 9216, 2952, 9131, 8172, 21624, 39000, 31638, 11364, 31206, 14100, 32236, 18704, 64560, 102762, 51947, 50136, 38544, 49526, 74688, 37944, 138156, 259560, 175374, 76680, 182640