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Number of 7X7 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.
0

%I #3 Mar 31 2012 12:35:23

%S 1,232,6912,35150,42354,44124,425674,804511,446508,638012,4465916,

%T 5291400,2246390,3026820,18106164,25432912,12496449,5934606,46859304,

%U 91441740,47944020,17647254,123856526,218810112,102258544,46559350

%N Number of 7X7 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n.

%K nonn

%O 0,2

%A _R. H. Hardin_ Feb 09 2009