Number of n X 3 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.
A232363
Number of n X 3 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically.
Terms
- a(0) =7a(1) =145a(2) =2411a(3) =39321a(4) =647287a(5) =10652849a(6) =175284259a(7) =2884208601a(8) =47458332799a(9) =780904692697
External references
- oeis: A232363