219491domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form p^2 +3p + 1, where p is also a prime.at n=33A165944Primes of the form 4n^3 + 3.at n=8A199365Primes of the form 9n^3-10.at n=6A201035Prime numbersat n=19566