Number of nX5 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
A189646
Number of nX5 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
Terms
- a(0) =8a(1) =913a(2) =55440a(3) =3774889a(4) =250758892a(5) =16718653553
External references
- oeis: A189646