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%I #5 Dec 18 2015 18:17:19
%S 20,64440,20417688,3553639544,136157771160,2292617515072,
%T 23218711066200,166097016796752,921709788123744,4211771972031320,
%U 16503648565063896,57078845541052008,177996206009045096,508664826181945152
%N Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 7
%H R. H. Hardin, <a href="/A159370/b159370.txt">Table of n, a(n) for n=5..22</a>
%K nonn
%O 5,1
%A _R. H. Hardin_ Apr 11 2009
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