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 one element.

A282878

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 one element.

Terms

    a(0) =0a(1) =2a(2) =74a(3) =3762a(4) =480995a(5) =128768496a(6) =79687436788

External references