71237domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that 5*10^k + 9 is prime.at n=16A103004Primes p such that 2*p^3 + 1 and 2*p^3 + 3 are also primes.at n=37A252042Primes that are values of A215240.at n=22A320041Prime numbersat n=7052