157131419domain: NPropertiesPrimalityPrimeyesAppears in sequencesInitial members of prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20).at n=23A022010Initial primes in prime septuplets (p, p+2, p+8, p+12, p+14, p+18, p+20) preceding the maximal gaps in A201251.at n=8A201252Prime numbersat n=8822626