Number of (n+1)X4 0..3 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.

A205349

Number of (n+1)X4 0..3 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.

Terms

    a(0) =1024a(1) =30904a(2) =1080457a(3) =36759026a(4) =1257218433a(5) =43053361050

External references