Number of (n+2)X8 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

A204151

Number of (n+2)X8 0..2 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..2 introduced in row major order.

Terms

    a(0) =4128422a(1) =29610374a(2) =152500334a(3) =826613438a(4) =4563772922a(5) =25723818038a(6) =138134688554a(7) =761533538294

External references