96796
domain: N
Appears in sequences
- The maximal number of partitions of {1..2n} that are invariant under a permutation consisting of n 2-cycles, and which have the same number of nonempty parts.at n=8A002873
- Irregular triangle read by rows T(n,k) (n>=1, 0<=k<=n(n-1)/2) giving the total number of connected components in all subgraphs (V,E') with |E'|=k of the complete labeled graph K_n=(V,E).at n=47A125205
- Number of 4-step king's tours on an n X n board summed over all starting positions.at n=17A186863