187507domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that (7^k - 3^k)/4 is prime.at n=10A128024Primes of the form 3n^2 + 7.at n=26A201479Primes of the form p^2 + 18, where p is prime.at n=37A201688Prime numbersat n=16965