173687domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that 8^k - 7^k is prime or a strong pseudoprime.at n=13A062574a(n) is the least prime of the form Sum_{1<=i<=2*n-1} prime(i+1)*prime(i+k).at n=14A340861Prime numbersat n=15806