Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row and column having exactly 2 distinct values, in every diagonal 1 or 2 distinct values, in every antidiagonal 2 or 3 distinct values, and new values 0 upwards introduced in row major order.

A252991

Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row and column having exactly 2 distinct values, in every diagonal 1 or 2 distinct values, in every antidiagonal 2 or 3 distinct values, and new values 0 upwards introduced in row major order.

Terms

    a(0) =66914a(1) =782043a(2) =10388030a(3) =147972602a(4) =2130083253a(5) =30940948009a(6) =451039578594

External references