%I #4 Dec 18 2015 18:17:16

%S 1,2,10,18,308,1716,83987,644220,42440517,448032730,40142592042,

%T 617153224314,75157230205402,1794934830265052,303255697073306250

%N Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 8.

%K nonn

%O 2,2

%A _R. H. Hardin_ Feb 09 2009