Number of (n+2)X(3+2) 0..2 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order.

A253031

Number of (n+2)X(3+2) 0..2 arrays with every consecutive three elements in every row and column having exactly two distinct values, and new values 0 upwards introduced in row major order.

Terms

    a(0) =9126a(1) =102060a(2) =1134864a(3) =12647772a(4) =141199416a(5) =1576282464a(6) =17600380920a(7) =196546814928

External references