Number of n X n 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.

A282962

Number of n X n 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements.

Terms

    a(0) =0a(1) =0a(2) =38a(3) =3635a(4) =577003a(5) =206993155a(6) =163712015523

External references