Number of (n+1) X 3 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two clockwise edge increases.
A205980
Number of (n+1) X 3 0..2 arrays with every 2 X 3 or 3 X 2 subblock having exactly two clockwise edge increases.
Terms
- a(0) =423a(1) =1980a(2) =8004a(3) =33504a(4) =140802a(5) =591336a(6) =2482596a(7) =10425528a(8) =43778766a(9) =183827574a(10) =771932004a(11) =3241441338a(12) =13611219624a(13) =57155642244a(14) =240004267116
External references
- oeis: A205980