%I

%S 35,259,1059,5395,19091,84499,284451,1180243,3922835

%N Number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 4.

%K nonn

%O 2,1

%A _R. H. Hardin_, Sep 29 2008

%E Changed positive to nonnegative, added n X n. - _R. H. Hardin_, Sep 30 2008