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A074438
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Number of 6-ary Lyndon words of length n with trace 2 and subtrace 4 over Z_6.
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23
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0, 0, 1, 2, 25, 214, 1296, 6552, 33048, 169987, 894829, 4881168, 27433728, 155483424, 877515379, 4933761408, 27757515151, 156728297088, 889181991936, 5068079700940, 28988793435209, 166191833516125, 954256949236825, 5486915505475584, 31596861676172076
(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 4 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, A074434, A074435, A074436, A074437, A074439, A074440, A074441, A074442, A074443, A074444, A074445.
Sequence in context: A094218 A203767 A206392 * A068176 A131585 A042919
Adjacent sequences: A074435 A074436 A074437 * A074439 A074440 A074441
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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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