%I #5 Dec 18 2015 18:17:20
%S 16,18113,6467188,1809241443,293674429000,26176393773422,
%T 1245229219393096,35059144402329914,654596642702971044,
%U 8847500466993614275,92285089465751931520,778692439065134733077
%N Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 12
%H R. H. Hardin, <a href="/A159387/b159387.txt">Table of n, a(n) for n=3..23</a>
%K nonn
%O 3,1
%A _R. H. Hardin_ Apr 11 2009
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