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%I #5 Oct 27 2019 21:42:52
%S 1,120,0,0,14564760,66083040,0,0,2511725250,3360660500,0,0,
%T 105602337600,192407274081,0,0,1556654915420,1665635124840,0,0
%N Number of 13 X 13 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n.
%K nonn
%O 0,2
%A _R. H. Hardin_, Feb 09 2009
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