A156391 Number of 7X7 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.

1, 232, 6912, 35150, 42354, 44124, 425674, 804511, 446508, 638012, 4465916, 5291400, 2246390, 3026820, 18106164, 25432912, 12496449, 5934606, 46859304, 91441740, 47944020, 17647254, 123856526, 218810112, 102258544, 46559350