Number of (n+1)X5 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.

A205605

Number of (n+1)X5 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) =2705a(1) =95564a(2) =3750866a(3) =146904738a(4) =5847666690a(5) =230158920084

External references