Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly three counterclockwise and three clockwise edge increases.

A206147

Number of (n+1) X 6 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly three counterclockwise and three clockwise edge increases.

Terms

    a(0) =1458a(1) =23346a(2) =379602a(3) =6204438a(4) =101596896a(5) =1664748270a(6) =27284864220a(7) =447232269654

External references