1095201domain: NAppears in sequencesFirst occurrence of exactly n identical terms in A007448.at n=34A016046G.f. satisfies A(x) = A(x^2)/M(x), where M(x) = Sum_{n>=1} mu(n)*x^n and mu(n) = A008683(n), the Moebius function of n.at n=25A378260