27391073domain: NAppears in sequencesComposite squarefree numbers n such that p(i)+8 divides n-8, where p(i) are the prime factors of n.at n=18A225718Composite squarefree numbers n such that p+d(n) divides n-d(n) for all prime factors p of n, where d(n) is the number of divisors of n.at n=12A228302