Number of nX6 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.
A232159
Number of nX6 0..3 arrays with every 0 next to a 1, every 1 next to a 2 and every 2 next to a 3 horizontally, vertically or antidiagonally, and no adjacent values equal.
Terms
- a(0) =26a(1) =2600a(2) =27086a(3) =286770a(4) =3183932a(5) =36275078a(6) =415332300a(7) =4764939084a(8) =54785401618a(9) =629979277720
External references
- oeis: A232159