Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.

A251386

Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to 2 3 4 5 or 6.

Terms

    a(0) =36825a(1) =5914339a(2) =948010753a(3) =152031391763

External references