324619domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p-2, p^2-2 and p^3-2 are all prime.at n=31A270972Expansion of e.g.f. 1/(1 - (exp(x) - 1)/(1 - (exp(x) - 1)^2/(1 - (exp(x) - 1)^3/(1 - ...)))), a continued fraction.at n=7A301921Prime numbersat n=27972