%I #5 Oct 27 2019 18:25:17

%S 1,32400,86549820,39027027088,4596517872930,182963339479264,

%T 3086652618464548,31157969676392800,303255697073306250,

%U 2788382742936560544

%N Number of 16 X 16 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