-6253domain: ZAppears in sequencesExpansion of f(-x^3)^3 / (f(x)^2 * f(-x^2)) in powers of x where f() is a Ramanujan theta function.at n=13A262151Expansion of psi(x^6) / psi(x) in powers of x where psi() is a Ramanujan theta function.at n=39A262160