Inverse Moebius transform of A000013 (starting at term 0).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =8a(6) =9a(7) =14a(8) =23a(9) =36a(10) =57a(11) =104a(12) =181a(13) =326a(14) =603a(15) =1110a(16) =2069a(17) =3884a(18) =7317a(19) =13836a(20) =26283a(21) =49998a(22) =95421a(23) =182476a(24) =349721a(25) =671274a(26) =1290895a(27) =2485862a(28) =4794089a(29) =9257034