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A156507 Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 43. 0

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

%S 2,58,204,41816,422538,169361504,5201763072,5719198097600

%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 43.

%K nonn

%O 3,1

%A _R. H. Hardin_ Feb 09 2009

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)