Number of 5Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally.
A232153
Number of 5Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally.
Terms
- a(0) =1a(1) =5487a(2) =1270511a(3) =177194147a(4) =28299613241
External references
- oeis: A232153