84421domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that p*(p-2) divides 2^(p-1)-1.at n=20A081762Primes of the form x^3 + y^3 + 1, where x and y are primes.at n=20A214175Numbers n such that (n-1)^2-1 divides 2^(n-1)-1.at n=21A260406Primes p such that 2*p + 79 is a square.at n=17A269790Prime numbersat n=8228