Number of (n+1) X (6+1) 0..3 arrays with every 2 X 2 subblock summing to 4 5 6 7 or 8.

A251497

Number of (n+1) X (6+1) 0..3 arrays with every 2 X 2 subblock summing to 4 5 6 7 or 8.

Terms

    a(0) =51474508a(1) =195351371872

External references