Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order.

A205606

Number of (n+1)X6 0..3 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..3 introduced in row major order.

Terms

    a(0) =16955a(1) =946066a(2) =57807612a(3) =3504441046a(4) =219511132715

External references