Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases.

A206060

Number of (n+1)X6 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases.

Terms

    a(0) =1499080a(1) =11638960a(2) =101369476a(3) =1198231144a(4) =18209383140a(5) =265284773176

External references