88386domain: NAppears in sequencesPartial sums of A014531.at n=10A097894Row sums of triangle A179901.at n=33A179902Numbers k for which A064380(k) = k/2.at n=33A185078Numbers k such that iphi(k) divides k, where iphi is the infinitary Euler phi function (A064380).at n=34A373057