Number of 7Xn array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
A189655
Number of 7Xn array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
Terms
- a(0) =1a(1) =6272a(2) =1180167a(3) =1598901325
External references
- oeis: A189655