%I #4 Dec 18 2015 18:17:16
%S 2,0,28,12,1412,3096,337208,4171320,662224128,16504055920,
%T 4410398887272,150978985010061,66490911199244672
%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 13.
%K nonn
%O 2,1
%A _R. H. Hardin_ Feb 09 2009
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