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A156510 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 49. 0

%I #4 Dec 18 2015 18:17:17

%S 1,2,10,198,10918,2335392,1569913286,14728525914260,599617717929388908

%N Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 49.

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 09 2009

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Last modified July 25 15:41 EDT 2024. Contains 374612 sequences. (Running on oeis4.)