1204507domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form p^2 + p + 1 when p is prime.at n=24A053183Record values of A062700.at n=21A100382Primes p of the form sigma(2k-1) for a number k.at n=31A247837Primes of the form (p^k)^2 + p^k + 1 with prime p and positive integer k.at n=27A342691Prime numbersat n=93248