Let x = RootOf(z^2 + z + 1) and y = 1+x. Number of 4-ary Lyndon words of length n over GF(4) with trace 1 and subtrace x.
A074450
Let x = RootOf(z^2 + z + 1) and y = 1+x. Number of 4-ary Lyndon words of length n over GF(4) with trace 1 and subtrace x.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =4a(4) =12a(5) =40a(6) =144a(7) =512a(8) =1813a(9) =6528a(10) =23808a(11) =87380a(12) =322560a(13) =1198080a(14) =4473647a(15) =16777216a(16) =63160320a(17) =238605640a(18) =904200192a(19) =3435973836a(20) =13089411609a(21) =49977753600a(22) =191219367936a(23) =733007751680
External references
- oeis: A074450