494321domain: NAppears in sequencesComposite numbers whose sum of aliquot parts divides the sum of their unrelated numbers.at n=28A250399a(n) = a(n-3) + a(n-2) + gcd(a(n-2), a(n-1)) with a(1) = a(2) = a(3) = 1.at n=44A370202