Analog of Keith numbers based on digits of sum of anti-divisors.

Terms

a(0) =18a(1) =26a(2) =40a(3) =93a(4) =95a(5) =122a(6) =227a(7) =5640a(8) =8910a(9) =15481a(10) =56028a(11) =117056a(12) =282103a(13) =394608a(14) =2059983a(15) =3775282a(16) =3804607a(17) =5005918a(18) =10390740a(19) =31753906a(20) =42117745a(21) =67170923a(22) =98908536a(23) =176337241