Number of binary Lyndon words of length n with trace 0 and subtrace 1 over Z_2.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =2a(6) =4a(7) =6a(8) =13a(9) =24a(10) =48a(11) =85a(12) =160a(13) =288a(14) =541a(15) =1008a(16) =1920a(17) =3626a(18) =6912a(19) =13107a(20) =24989a(21) =47616a(22) =91136a(23) =174590a(24) =335462a(25) =645120a(26) =1242904a(27) =2396745a(28) =4628480a(29) =8947294