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%I #5 Oct 27 2019 18:08:51
%S 1,168992,5552479800,12483723152016,12976446818207108,
%T 1865501254974930048
%N Number of 19 X 19 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.
%K nonn
%O 0,2
%A _R. H. Hardin_, Feb 09 2009