Number of n X n array permutations with each element moving zero or one space diagonally, horizontally or vertically.
A189304
Number of n X n array permutations with each element moving zero or one space diagonally, horizontally or vertically.
Terms
- a(0) =1a(1) =14a(2) =960a(3) =654049a(4) =3373180708
External references
- oeis: A189304