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 and no column sum 0.

A255775

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 and no column sum 0.

Terms

    a(0) =140a(1) =1743a(2) =58729a(3) =2413487a(4) =193188995a(5) =32105186518

External references