999667domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that 4+p, 4+p^2, 4+p^3 and 4+p^5 are all prime.at n=10A246519Primes of the form (2^a+1)*(3^b+1)-1 with a, b >= 0.at n=38A349638Prime numbersat n=78478