Number of (n+1) X 3 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly three counterclockwise and three clockwise edge increases.
A206131
Number of (n+1) X 3 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) =564a(1) =6668a(2) =91924a(3) =1269044a(4) =17521788a(5) =241927532a(6) =3340355572a(7) =46121153588a(8) =636806710044
External references
- oeis: A206131