Number of nX7 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.
A232160
Number of nX7 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) =48a(1) =9004a(2) =124436a(3) =1767266a(4) =26694774a(5) =415332300a(6) =6564512068a(7) =103384156384
External references
- oeis: A232160