34261domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrime numbers p such that p +- ((p-1)/5) are primes.at n=25A137714Primes p=u^2+v^2 such that p+u or p+v is the next prime after p.at n=33A213996Primes p such that both 2p-1 and 2p^2-2p+1 are prime.at n=42A274609Prime numbersat n=3660