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

A206130

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

Terms

    a(0) =256a(1) =564a(2) =3092a(3) =19660a(4) =125236a(5) =797996a(6) =5085012a(7) =32403084a(8) =206481524a(9) =1315758316a(10) =8384382100a(11) =53427641420a(12) =340455961524

External references