A159378 - OEIS

%I #4 Dec 18 2015 18:17:19

%S 160,79462,106933952,53019140920,7909968893984,369792760174099,

%T 8342665041304856,115289818013937951,1119615672229664304,

%U 8327128884601400868,50240989682142868456

%N Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 9

%K nonn

%O 5,1

%A _R. H. Hardin_ Apr 11 2009