Number of ternary Lyndon words of length n with trace 1 and subtrace 1 over GF(3). Same as the number of ternary Lyndon words of length n with trace 2 and subtrace 1 over GF(3).
A053563
Number of ternary Lyndon words of length n with trace 1 and subtrace 1 over GF(3). Same as the number of ternary Lyndon words of length n with trace 2 and subtrace 1 over GF(3).
Terms
- a(0) =0a(1) =0a(2) =1a(3) =1a(4) =4a(5) =13a(6) =36a(7) =90a(8) =243a(9) =661a(10) =1804a(11) =4914a(12) =13608a(13) =37944a(14) =106288a(15) =298755a(16) =843796a(17) =2391363a(18) =6797196a(19) =19370696a(20) =55345784a(21) =158491993a(22) =454803100a(23) =1307541690a(24) =3765720066a(25) =10862667648a(26) =31381059609a(27) =90780846494a(28) =262951527460
External references
- oeis: A053563