Inverse Moebius transform of A000029 (starting at term 0).

Terms

a(0) =1a(1) =3a(2) =4a(3) =7a(4) =7a(5) =14a(6) =14a(7) =25a(8) =34a(9) =55a(10) =79a(11) =144a(12) =225a(13) =396a(14) =697a(15) =1249a(16) =2251a(17) =4156a(18) =7686a(19) =14369a(20) =27029a(21) =51045a(22) =96910a(23) =184572a(24) =352705a(25) =675415a(26) =1296892a(27) =2494126a(28) =4806079a(29) =9273533