Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally.

A204403

Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally, vertically or nw-to-se diagonally.

Terms

    a(0) =719125a(1) =3588983a(2) =18913491a(3) =316877238a(4) =3226550173a(5) =30090522927a(6) =390091281543

External references