108560domain: NAppears in sequencesStructured triakis icosahedral numbers (vertex structure 4).at n=22A100172Let s denote the sum of the deficient numbers in the aliquot parts of x. Sequence lists numbers x such that sigma(s) = usigma(x), where usigma(x) is the sum of the unitary divisors of x (A034448).at n=18A258134