Number of 6Xn array permutations with each element not moving, or moving one space N, SW or SE.
A189438
Number of 6Xn array permutations with each element not moving, or moving one space N, SW or SE.
Terms
- a(0) =1a(1) =41a(2) =367a(3) =4653a(4) =52241a(5) =606201a(6) =6944573a(7) =79826592a(8) =916320775a(9) =10522129613a(10) =120807652475
External references
- oeis: A189438