49423domain: NAppears in sequencesInterprimes which are of the form s*prime, s=11.at n=20A075286Numbers k such that k and k^2 use only the digits 2, 3, 4, 6 and 9.at n=17A137073Number of subsets of {1..n} whose elements have the same number of prime factors, counted with multiplicity.at n=43A339511Records in A361321.at n=33A361325