%I #4 Dec 18 2015 18:17:18
%S 2,2,80,404,63392,1572582,1619260788,75946691122
%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 68.
%K nonn
%O 2,1
%A _R. H. Hardin_ Feb 09 2009