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

A205979

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

Terms

    a(0) =81a(1) =423a(2) =2232a(3) =11568a(4) =60432a(5) =315357a(6) =1643538a(7) =8574615a(8) =44720319a(9) =233223303a(10) =1216434498a(11) =6344254641a(12) =33088388283a(13) =172573776357a(14) =900058321935

External references