-1117domain: ZAppears in sequencesa(n) = -n^2 + 9*n + 53.at n=39A126665a(n) = -n^3 + 70*n^2 - 939*n + 2393.at n=9A279538Expansion of q^(-2/5) * (r(q^2) + r(q)^2) / 2 in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=51A285555