Number of (n+1)X4 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order.

A205435

Number of (n+1)X4 0..3 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..3 introduced in row major order.

Terms

    a(0) =443a(1) =10275a(2) =302148a(3) =10308161a(4) =375775257a(5) =14089784418a(6) =534222700494

External references