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A074437 Number of 6-ary Lyndon words of length n with trace 2 and subtrace 3 over Z_6. 21
0, 1, 3, 13, 60, 214, 900, 4908, 29160, 167928, 940896, 5196096, 28421280, 155696585, 863910489, 4859490672, 27554100480, 156728297088, 892526107392, 5087657135000, 29045467518171, 166189019079168, 953309368018944, 5481559804635648, 31581615565250142 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Same as the number of 6-ary Lyndon words of length n with trace 4 and subtrace 3 over Z_6.

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, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A151234 A317776 A145942 * A026578 A199641 A292796

Adjacent sequences:  A074434 A074435 A074436 * A074438 A074439 A074440

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

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Last modified May 21 17:33 EDT 2019. Contains 323444 sequences. (Running on oeis4.)