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A156404 Number of 10 X 10 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n. 0

%I #5 Oct 27 2019 22:28:45

%S 1,0,810,0,23280,0,68180,0,175765,0,760131,0,2108280,0,3657680,0,

%T 5281910,0,13033260,0,29182380,0,37198440,0,46154300,0,85583500,0,

%U 202480300,0,193358000,0,232585695,0,373884780,0,747469740,0,798622160,0,860249751,0

%N Number of 10 X 10 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n.

%K nonn

%O 0,3

%A _R. H. Hardin_, Feb 09 2009

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)