Number of n X n array permutations with each element moving zero or one space horizontally or diagonally.
A189443
Number of n X n array permutations with each element moving zero or one space horizontally or diagonally.
Terms
- a(0) =1a(1) =5a(2) =80a(3) =7300a(4) =2735828a(5) =4982424404
External references
- oeis: A189443