Inverse Moebius transform of A001371 (starting at term 0).

Terms

a(0) =1a(1) =3a(2) =2a(3) =5a(4) =4a(5) =10a(6) =9a(7) =21a(8) =26a(9) =48a(10) =70a(11) =136a(12) =209a(13) =389a(14) =673a(15) =1235a(16) =2221a(17) =4144a(18) =7631a(19) =14358a(20) =26941a(21) =51016a(22) =96783a(23) =184560a(24) =352454a(25) =675391a(26) =1296503a(27) =2494071a(28) =4805389a(29) =9273501