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A074431 Number of 6-ary Lyndon words of length n with trace 1 and subtrace 3 over Z_6. 21
0, 0, 1, 9, 60, 270, 1157, 5616, 29160, 157464, 883872, 5038848, 28421280, 158130514, 877515379, 4897760256, 27554100480, 156116108160, 889046473445, 5077739844402, 29045467518171, 166351313967709, 954240788994048, 5484237660094464, 31581615565250142 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

Same as the number of 6-ary Lyndon words of length n with trace 5 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, A074432, A074433, A074434, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.

Sequence in context: A118674 A268972 A288962 * A268965 A081904 A085373

Adjacent sequences:  A074428 A074429 A074430 * A074432 A074433 A074434

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 January 21 13:52 EST 2020. Contains 331113 sequences. (Running on oeis4.)