Number of binary Lyndon words with an even number of 1's.

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =3a(5) =4a(6) =9a(7) =14a(8) =28a(9) =48a(10) =93a(11) =165a(12) =315a(13) =576a(14) =1091a(15) =2032a(16) =3855a(17) =7252a(18) =13797a(19) =26163a(20) =49929a(21) =95232a(22) =182361a(23) =349350a(24) =671088a(25) =1290240a(26) =2485504a(27) =4792905a(28) =9256395a(29) =17894588