178933domain: NPropertiesPrimalityPrimeyesAppears in sequencesGreater of twin primes of the form x^2+2, x^2+4.at n=12A085554Primes p of the form x^2+4, such that either p-2 or p+2 is prime.at n=15A085555Primes of the form 9n^2 + 4.at n=19A201706Prime numbersat n=16244