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A074434
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Number of 6-ary Lyndon words of length n with trace 2 and subtrace 0 over Z_6.
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23
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1, 1, 1, 4, 36, 214, 1157, 6312, 33048, 167928, 883872, 4881168, 27546779, 155696585, 877515379, 4936018176, 27770211072, 156728297088, 889046473445, 5067822213734, 28988793435209, 166189019079168, 954240788994048, 5486915505475584, 31597040041716690
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,4
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COMMENTS
| Same as the number of 6-ary Lyndon words of length n with trace 4 and subtrace 0 over Z_6.
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LINKS
| F. Ruskey 6-ary Lyndon words with given trace and subtrace
Max Alekseyev, PARI/GP scripts for miscellaneous math problems
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CROSSREFS
| Cf. A074422, A074423, A074424, A074425, A074426, A074427, A074428, A074429, A074430, A074431, A074432, A074433, A074435, A074436, A074437, A074438, A074439, A074440, A074441, A074442, A074443, A074444, A074445.
Sequence in context: A034569 A144888 A054773 * A197424 A018217 A003488
Adjacent sequences: A074431 A074432 A074433 * A074435 A074436 A074437
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KEYWORD
| easy,nonn
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AUTHOR
| Frank Ruskey, Nate Kube (ruskey(AT)cs.uvic.ca), Aug 23 2002
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EXTENSIONS
| Terms a(11) onwards from Max Alekseyev (maxale(AT)gmail.com), Feb 20 2010
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