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

A251379

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

Terms

    a(0) =6276040a(1) =3140670344

External references