%I #4 Dec 18 2015 18:17:17
%S 1,4,18,818,310150,480685728,1904647839311,14116339350926312
%N Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 32.
%K nonn
%O 2,2
%A _R. H. Hardin_ Feb 09 2009