A074444 Number of 6-ary Lyndon words of length n with trace 3 and subtrace 4 over Z_6.

0, 0, 0, 6, 36, 180, 1008, 6048, 34272, 180662, 940896, 5018112, 27433728, 152845056, 862725426, 4895520768, 27770211072, 157364529408, 892662156288, 5078255822436, 28990266218496, 166029537715200, 953309368018944, 5484206701412352, 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, A074426, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074445.

Sequence in context: A218265 A258629 A294465 * A348568 A366630 A209904

Adjacent sequences: A074441 A074442 A074443 * A074445 A074446 A074447

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