Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally.
A232457
Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally.
Terms
- a(0) =73a(1) =198945a(2) =103104905a(3) =59192688269
External references
- oeis: A232457