A074426 Number of 6-ary Lyndon words of length n with trace 0 and subtrace 4 over Z_6.

0, 0, 0, 2, 36, 236, 1296, 6792, 34272, 169987, 883872, 4861056, 27433728, 155270016, 876311654, 4933761408, 27770211072, 156752186112, 889181991936, 5068337188146, 28990266218496, 166191833516125, 954240788994048, 5486884531697664, 31596861676172076

Offset

1,4

Links

Table of n, a(n) for n=1..25.

Max Alekseyev, PARI/GP scripts for miscellaneous math problems

F. Ruskey 6-ary Lyndon words with given trace and subtrace

Crossrefs

Cf. A074422, A074423, A074424, A074425, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A025531 A099903 A341535 * A082636 A242533 A273325

Adjacent sequences: A074423 A074424 A074425 * A074427 A074428 A074429

Keyword

easy,nonn

Author

Frank Ruskey and Nate Kube, Aug 23 2002

Extensions

Terms a(11) onwards from Max Alekseyev, Feb 20 2010

Status

approved