74906domain: NAppears in sequencesExpansion of f(-x^3) * f(-x^6) / (f(x) * f(-x^4)) in powers of x where f() is a Ramanujan theta function.at n=40A261252G.f. A(x) satisfies A(x) = 1 + x^3*(1+x)^2*A(x)^3.at n=19A366591