51874849202
domain: N
Appears in sequences
- Co-growth function of a certain group.at n=10A007986
- If n = (p_1)^(m_1)...(p_k)^(m_k) then a(n) = (p_1)^((p_1)^(m_1) - 1)...(p_k)((p_k)^(m_k) - 1).at n=21A036879
- Least k > 0 such that n^k == 1 (mod (n+1)^(n+1)).at n=9A327836
- Period of the fraction 1/11^n for n >= 1.at n=10A334603
- a(n) is the smallest number k such that k*n is a term of A072873.at n=21A365637