242819domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime factor of 2^n-3.at n=34A093810Primes p such that q-p = 44, where q is the next prime after p.at n=19A134121a(n) = (A242804(n)-9)/12.at n=22A257044Prime numbersat n=21458