Number of nX7 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
A189648
Number of nX7 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.
Terms
- a(0) =21a(1) =24577a(2) =11047585a(3) =6156828073
External references
- oeis: A189648