18262
domain: N
Appears in sequences
- Number of unlabeled rooted trees with n leaves in which the degrees of the root and all internal nodes are >= 3.at n=19A052525
- Sum of distinct orders of degree-n even permutations.at n=25A060180
- Number of partitions of n having a non-integer median.at n=47A307683
- Duplicate of A307683.at n=47A325348
- MM-numbers of capturing, non-nesting multiset partitions (with empty parts allowed).at n=34A326260
- Position of A002110(n) in A005117.at n=6A365435
- G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x * (1 + x + x^2) * A(x^3))).at n=17A367717