138332domain: NAppears in sequencesSeries expansion of (eta(q^9) / eta(q))^3 in powers of q.at n=18A121589Expansion of (eta(q)eta(q^9)/eta(q^3)^2)^6 in powers of q.at n=18A121592Expansion of q * (f(q^9) / f(q))^3 in powers of q where f() is a Ramanujan theta function.at n=18A227454