Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7.

A251378

Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to 5 6 or 7.

Terms

    a(0) =709396a(1) =155378004a(2) =37078015004

External references