121259domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime of the form k*prime(n+1)+prime(n) = j*prime(n+2)+prime(n+1) for free integer multipliers k and j.at n=20A129918a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 10 primes.at n=20A285694Prime numbersat n=11409