76759domain: NAppears in sequencesNumbers n such that n and n+1 have same sum of anti-divisors.at n=15A192282Numbers that equal to the sum of their iterated absolute Möbius divisor function (A173557).at n=21A333873G.f. satisfies A(x) = 1 + x^5*A(x)^3 / (1 - x*A(x)).at n=28A365700