Number of nX6 array permutations with each element not moving, or moving one space N, SW or SE.
A189432
Number of nX6 array permutations with each element not moving, or moving one space N, SW or SE.
Terms
- a(0) =1a(1) =13a(2) =181a(3) =2413a(4) =40065a(5) =606201a(6) =9557077a(7) =150278792a(8) =2367212857a(9) =37358187521a(10) =589449930573
External references
- oeis: A189432