%I #4 Dec 18 2015 18:17:18
%S 3480,37772,213728,864276,4577552,19067804,73644648,370791068,
%T 1692340016,7824640020
%N Number of n X n arrays of squares of integers with every 3X3 subblock summing to 15
%K nonn
%O 3,1
%A _R. H. Hardin_ Apr 06 2009