162787domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = floor(n^m) where m = Sum_{k=1..n} (1/k).at n=23A067038Primes p with f(p), f(f(p)), f(f(f(p))), f(f(f(f(p)))) all prime, where f(n) = prime(n) - n + 1.at n=6A235935Prime numbersat n=14914