Number of binary Lyndon words of length n having a conjugate at Hamming distance 2.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =9a(6) =14a(7) =20a(8) =26a(9) =40a(10) =42a(11) =72a(12) =62a(13) =123a(14) =102a(15) =208a(16) =114a(17) =405a(18) =146a(19) =668a(20) =290a(21) =1201a(22) =222a(23) =2504a(24) =316a(25) =4356a(26) =800a(27) =8580a(28) =366a(29) =17866