Numbers n such that n | A067439(n).

Terms

a(0) =1a(1) =2a(2) =9a(3) =11a(4) =17a(5) =48a(6) =57a(7) =427a(8) =533a(9) =1661a(10) =2161a(11) =4441a(12) =5428a(13) =41628a(14) =171441a(15) =411735a(16) =555716a(17) =1278525a(18) =4292829a(19) =5174373a(20) =8758407a(21) =680133057