-15648domain: ZAppears in sequencesExpansion of phi(q^9) / phi(q) in powers of q where phi() is a Ramanujan theta function.at n=23A261988Expansion of Product_{k>=1} (1 - x^k)^sigma(k).at n=41A288385Expansion of ((eta(q)eta(q^3))/eta(q^2)^2)^2 in powers of q.at n=23A293389