327179domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form prime(k)^2 + 2*prime(k-1) where prime(k) is the k-th prime number.at n=19A155820The primes associated with A239800 (1 if A239800(n) = 0).at n=28A342365Prime numbersat n=28176