%I #4 Dec 18 2015 18:17:15
%S 0,92,17216,5077564,1460980380,540147070759,87704130371420
%N Number of n X n arrays of squares of integers summing to 21 with every element equal to at least one neighbor.
%K nonn
%O 2,2
%A _R. H. Hardin_ Apr 14 2009