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%I #4 Dec 18 2015 18:17:16
%S 10,240,12160,804511,81439488,10953612400,2077266004944,
%T 566459875724280,241889456638665264
%N Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 7.
%K nonn
%O 4,1
%A _R. H. Hardin_ Feb 09 2009
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