140557domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form k^3 - k + 1.at n=20A100698Primes p such that Sum_{k=primes<p} (k mod p) and Sum_{k=primes<p} (p mod k) are both prime.at n=33A274025Primes of the form (k - 1) * k * (k + 1) +- 1, k >= 1.at n=41A293861Prime numbersat n=13057