145799domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2*p^2 + 4*p + 1, where p is also prime.at n=21A164041Primes of the form p(k)*p(k+1)*(p(k+1) - p(k)) + 1 sorted by increasing k.at n=15A383244Prime numbersat n=13491