769117domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest of three consecutive primes whose average is a square.at n=9A226149a(n) = gpf(1 + Product_{k=0..4} prime(n+k)), where gpf is greatest prime factor and prime(i) is the i-th prime.at n=24A261210Prime numbersat n=61669