Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Dec 18 2015 18:17:17
%S 2,0,32,75,3154,31638,4561976,75335814,23873894500,748560286220,
%T 449126699046010
%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 20.
%K nonn
%O 2,1
%A _R. H. Hardin_ Feb 09 2009