Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two clockwise edge increases.

A205981

Number of (n+1) X 4 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two clockwise edge increases.

Terms

    a(0) =2232a(1) =8004a(2) =27060a(3) =103998a(4) =408411a(5) =1599096a(6) =6296976a(7) =24685680a(8) =96780240a(9) =381085848a(10) =1493933568a(11) =5857190208a(12) =23062636320a(13) =90410256000a(14) =354480099264

External references