39437798400
domain: N
Appears in sequences
- Number of "ups" and "downs" in the permutations of [n] if either a previous counted "up" ("down") or a "void" precedes an "up" ("down") which then will be counted also.at n=11A120928
- a(n) is the least number k for which A000005(k)/A222084(k) = n.at n=10A222086
- a(n) = (n-1)! * Sum_{d|n} d^(n/d + 1).at n=11A354848