211811domain: NPropertiesPrimalityPrimeyesAppears in sequencesDescribe previous term from the right (method A - initial term is 8).at n=3A022512Xmas tree primes.at n=52A195302Prime(n), where n is such that (1+sum_{i=1..n} prime(i)) / n is an integer.at n=15A233523Prime numbersat n=18961