%I #4 Dec 18 2015 18:17:17
%S 2,6,198,20472,11458140,15139474872,64914837681442,1549731064209250952
%N Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 58.
%K nonn
%O 2,1
%A _R. H. Hardin_ Feb 09 2009