Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 8.

A159373

Number of n X n arrays of squares of integers with every (n-2)X(n-2) subblock summing to 8.

Terms

    a(0) =30a(1) =27355a(2) =6517430a(3) =1133908693a(4) =67473811410

External references