531263domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form x^5-y^4, where x,y >= 1.at n=22A161747Primes p such that q = p^2 - 2, r = q^2 - 2 and s = r^2 - 2 are also prime.at n=31A257552Prime numbersat n=43924