374669domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest 6-tuple of consecutive primes such that a(n)+a(n+1)+a(n+2), n=1...4, are again consecutive primes.at n=1A089444Primes p such that (p^2 + 5)/6, (p^4 + 5)/6 and (p^6 + 5)/6 are prime.at n=6A253939Prime numbersat n=31871