131710070791domain: NAppears in sequencesDenominator of density of integers with smallest prime factor prime(n).at n=12A038111Product of 8 successive primes.at n=5A046326Denominator of 1*2*4*6*...*(prime(n-1)-1) / (2*3*5*7*...*prime(n-1)).at n=13A060753a(n) = Primorial(n) / Product_{k prime<n} k.at n=13A301600