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A156515 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 52. 0

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

%S 2,6,134,10554,5819580,9898523036,72477416788308,2085565005226231500

%N Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 52.

%K nonn

%O 2,1

%A _R. H. Hardin_ Feb 09 2009

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Last modified July 21 18:17 EDT 2024. Contains 374475 sequences. (Running on oeis4.)