%I

%S 1,120,8940,216680,1939740,7574400,18391220,48340560,133072650,

%T 294400160,636803010,1521100320,3164432181,5269056120,9096418860,

%U 18579992000,34459271550,49721066400,70412760560,126260708400,215977376730

%N Number of 12 X 12 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n.

%K nonn

%O 0,2

%A _R. H. Hardin_, Feb 09 2009