-12106domain: ZAppears in sequencesG.f. A(x) defined by: A(x)^11 consists entirely of integer coefficients between 1 and 11 (A084066); A(x) is the unique power series solution with A(0)=1.at n=6A084211Expansion of Product_{k>=1} 1/(1 + x^k)^sigma(k).at n=39A288421