Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 0 or 1 and no column sum 0 or 1.

A256802

Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 0 or 1 and no column sum 0 or 1.

Terms

    a(0) =32a(1) =312a(2) =5891a(3) =187203a(4) =10791281a(5) =1138136868a(6) =215464267564

External references