Number of (n+1)X(3+1) 0..3 arrays with the maximum of every 2X2 subblock equal.

A236944

Number of (n+1)X(3+1) 0..3 arrays with the maximum of every 2X2 subblock equal.

Terms

    a(0) =30698a(1) =4301002a(2) =534626674a(3) =73196854050

External references