1577941domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumber of preferential arrangements of n labeled elements when only k <= 3 ranks are allowed.at n=13A101052Primes p such that p, p + 1, p + 2 and p + 3 have 2, 4, 6 and 8 divisors respectively.at n=9A340871Prime numbersat n=119621