375101domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p in A068209 whose squares never divide (x+1)^p-x^p-1 and x^x+(x+1)^(x+1) for the same x.at n=9A165284Primes p such that p^4 + p - 1, p^4 + p^2 - 1, p^4 + p^3 - 1 are also prime.at n=19A226938Prime numbersat n=31914