44429domain: NAppears in sequencesNatural growth of an aliquot sequence driven by a perfect number 2^(p-1)*((2^p)-1), but starting at 27.at n=16A216224Number of partitions of n such that (greatest part) is not = (multiplicity of greatest part).at n=40A240057Index of 2^n in A359804.at n=15A361505