570253domain: NPropertiesPrimalityPrimeyesAppears in sequencesprime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 15.at n=18A109569a(n) = smallest prime(j) > a(n-1) such that prime(j+1) - prime(j) = 2n, a(0) = 2.at n=38A256454Prime numbersat n=46844