119170
domain: N
Appears in sequences
- Total number of all repeated partitions of the n-set {1,2,3,...,n}.at n=7A143140
- a(n) is the number of permutations of length n that avoid the pattern 321 and the mesh pattern (12, 187) or the same sequence for the mesh pattern (12, 442).at n=12A289592
- Inverse Euler Transform of the Motzkin Numbers.at n=14A290277