194687domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that remain prime through 5 iterations of the function f(x) = 9x + 4.at n=14A023353Primes of the form 2*p^2 + 4*p + 1, where p is also prime.at n=23A164041Primes of the form p(k)*p(k+1)*(p(k+1) - p(k)) + 1 sorted by increasing k.at n=17A383244Prime numbersat n=17547