Number of nX4 array permutations with each element moved and moved by a city block distance of no more than three.
A188965
Number of nX4 array permutations with each element moved and moved by a city block distance of no more than three.
Terms
- a(0) =9a(1) =8132a(2) =22666641a(3) =62394485617
External references
- oeis: A188965