18232771830
domain: N
Appears in sequences
- a(n) = A076926(n)/n.at n=10A076927
- Least k such that Sum_{i=1..n} k^i / i is a positive integer.at n=30A333072
- Least k such that Sum_{i=1..n} k^i / i is a positive integer.at n=31A333072
- Least k such that Sum_{i=1..n} k^n / i is a positive integer.at n=32A333196
- a(n) = product of prohibited prime factors of A090252(n).at n=17A355057
- Denominators of the partial sums of the reciprocals of the squarefree kernel function (A007947).at n=34A379368
- Denominators of the partial sums of the reciprocals of the powerfree part function (A055231).at n=33A379580