107114

Appears in sequences

• Integers y such that for some integer x we have uphi(x) = uphi(y) = x-y, where uphi(n) = A047994(n) is the unitary totient function: If n = Product p_i^e_i, uphi(n) = Product (p_i^e_i - 1).at n=17A067741
• Expansion of e.g.f. 1 / (1 - 3 * x * (exp(x) - 1))^(2/3).at n=7A375697