Number of nX2 array permutations with each element moved and moved by a city block distance of no more than three.
A188963
Number of nX2 array permutations with each element moved and moved by a city block distance of no more than three.
Terms
- a(0) =1a(1) =9a(2) =265a(3) =8132a(4) =154564a(5) =2790864a(6) =55327556a(7) =1139362932a(8) =23084210737a(9) =461656617041
External references
- oeis: A188963