%I #4 Dec 18 2015 18:17:15
%S 0,64,23924,7262690,3369041920,1194672642926
%N Number of n X n arrays of squares of integers summing to 23 with every element equal to at least one neighbor.
%K nonn
%O 2,2
%A _R. H. Hardin_ Apr 14 2009