Inverse Mobius transform of the superabundant numbers, A051731 * A004394.

Terms

a(0) =1a(1) =3a(2) =5a(3) =9a(4) =13a(5) =31a(6) =37a(7) =57a(8) =65a(9) =135a(10) =181a(11) =277a(12) =361a(13) =759a(14) =857a(15) =1317a(16) =1681a(17) =2611a(18) =5041a(19) =10221a(20) =15161a(21) =25383a(22) =27721a(23) =55765a(24) =110893a(25) =166683a(26) =277265a(27) =333405a(28) =554401a(29) =666283