Number of (n+1)X(4+1) 0..2 arrays with the maximum of every 2X2 subblock equal.

A237031

Number of (n+1)X(4+1) 0..2 arrays with the maximum of every 2X2 subblock equal.

Terms

    a(0) =30045a(1) =4552617a(2) =638436002a(3) =93104881597

External references