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

A255151

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

Terms

    a(0) =28a(1) =158a(2) =1637a(3) =24076a(4) =538898a(5) =18908787a(6) =1010639534a(7) =83099387548

External references