113783domain: NPropertiesPrimalityPrimeyesAppears in sequencesOdd terms in A259934.at n=28A2625172*a(n) is the least number where k sets a new record such that 2*a(n)-k and 2*a(n)+k are prime and at least one of 2*a(n)-j and 2*a(n)+j is composite for all 0<j<k.at n=28A307881Prime numbersat n=10772