Number of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.
A232365
Number of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.
Terms
- a(0) =33a(1) =5487a(2) =647287a(3) =74665511a(4) =8716796353
External references
- oeis: A232365