79031domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = pq + pr + qr with p = prime(n), q = prime(n+1), and r = prime(n+2).at n=36A127345Primes in A127345.at n=13A127346Denominator of harmonic mean of 3 consecutive primes. Numerators are A331259.at n=36A331260Prime numbersat n=7747