Moebius transform of A000013 (starting at term 0).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =3a(5) =2a(6) =7a(7) =8a(8) =18a(9) =26a(10) =55a(11) =89a(12) =179a(13) =308a(14) =591a(15) =1086a(16) =2067a(17) =3834a(18) =7315a(19) =13767a(20) =26263a(21) =49884a(22) =95419a(23) =182260a(24) =349712a(25) =670912a(26) =1290852a(27) =2485217a(28) =4794087a(29) =9255772