20346
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(758).at n=8A042460
- Number of connected simple graphs with n vertices, n+5 edges, and vertex degrees no more than 4.at n=9A112425
- The number of orbits in S_n by the action of Foata's bijection.at n=9A195931
- Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 8.at n=57A245148
- Number A(n,k) of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= k; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=74A262163
- Number of permutations p of [n] such that the up-down signature of 0,p has nonnegative partial sums with a maximal value <= 3.at n=8A262165
- a(n) = a(n-1) + prime(a(n-1)) + 1 for n > 1, with a(1) = 1.at n=6A391616