519653371domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime p such that there is a gap of exactly 2*prime(n) between p and the next prime.at n=29A080082a(n) is the smallest prime p such that the largest prime divisor of the difference nextprime(p) - p equals the n-th prime, prime(n).at n=29A081413Prime numbersat n=27335370