70327domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that (5^k - 3^k)/2 = A005059(k) is prime.at n=15A121877Primes p such that 2*p^4+-9 are also prime.at n=32A174365Smallest emirp corresponding to the prime of A178583.at n=14A178584Prime numbersat n=6971