6034393domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime p such that there is a gap of 2*prime(n) between p and previous prime.at n=20A080083Primes that show the slow decrease in the larger values of the Andrica function Af(k) = sqrt(p(k+1)) - sqrt(p(k)), where p(k) denotes the k-th prime.at n=25A084975Prime numbersat n=415070