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%I #4 Dec 18 2015 18:17:16
%S 2,0,22,7,232,270,9312,40416,1578064,10491480,534495232,4186295040,
%T 266388662656,2380048630848,182963339479264,1839487795001024,
%U 166774503916789696,1865501254974930048,195842622547532763968
%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 5.
%K nonn
%O 2,1
%A _R. H. Hardin_ Feb 09 2009