63389domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form x^2 + 29*(x+1)^2.at n=10A176695Odd k for which abs(2^m - k) is nonprime for all m < k.at n=22A263865Primes p such that (p^512 + 1)/2 is prime.at n=18A341264Primes p such that p+2, p*(p+1)/2-2 and p*(p+1)/2+2 are also primes.at n=20A349336Prime numbersat n=6352