-124979domain: ZAppears in sequencesG.f. A(x) defined by: A(x)^8 consists entirely of integer coefficients between 1 and 8 (A083948); A(x) is the unique power series solution with A(0)=1.at n=8A084208The unique sequence such that Sum_{d|n} d*a(d)^(n/d) = sigma(n)^2 for every n.at n=19A383614