Number of n X n 0..2 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.

A231656

Number of n X n 0..2 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors.

Terms

    a(0) =3a(1) =15a(2) =1197a(3) =345519a(4) =434469343

External references