Number of 4-ary Lyndon words of length n over GF(4) with trace 0 and subtrace 0.

A074446

Number of 4-ary Lyndon words of length n over GF(4) with trace 0 and subtrace 0.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =6a(4) =15a(5) =40a(6) =153a(7) =528a(8) =1841a(9) =6528a(10) =23901a(11) =87550a(12) =322875a(13) =1198080a(14) =4474738a(15) =16779264a(16) =63164175a(17) =238605640a(18) =904213989a(19) =3436000050a(20) =13089461538a(21) =49977753600a(22) =191219550297a(23) =733008101200

External references