504690017
domain: N
Appears in sequences
- Number of n X n array permutations with each element moved no more than a city block distance of two.at n=3A188952
- Number of nX4 array permutations with each element moved no more than a city block distance of two.at n=3A188955
- T(n,k)=Number of nXk array permutations with each element moved no more than a city block distance of two.at n=24A188958