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%I #4 Dec 18 2015 18:17:16
%S 1,0,0,3,7,36,201,9522,78762,5281910,225908440,34459271550,
%T 1556654915420
%N Number of n X n arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to 16.
%K nonn
%O 1,4
%A _R. H. Hardin_ Feb 09 2009
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