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%I #5 Dec 18 2015 18:17:20
%S 32,37772,24485600,14192015472,5219489405360,1121854265726332,
%T 132887181736133280,8797362179502972032,354188675085385900248,
%U 9513098191479222999048,183956038122004710726232
%N Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 15
%H R. H. Hardin, <a href="/A159396/b159396.txt">Table of n, a(n) for n=3..22</a>
%K nonn
%O 3,1
%A _R. H. Hardin_ Apr 11 2009