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A054667
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Number of 6-ary Lyndon words with trace 2 mod 6.
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1
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1, 2, 12, 51, 259, 1284, 6665, 34938, 186624, 1007510, 5496925, 30231792, 167444795, 932900050, 5224277604, 29386526544, 165947641615, 940369782528, 5345260877285, 30467985992745, 174102782860140, 997134114520250
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Also number of 6-ary Lyndon words with trace 4 mod 6.
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LINKS
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Table of n, a(n) for n=1..22.
F. Ruskey, Number of q-ary Lyndon words with given trace mod q
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CROSSREFS
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Cf. A000048, A051841, A046211, A046209, A054660, etc.
Sequence in context: A198008 A359523 A323851 * A009537 A057547 A216648
Adjacent sequences: A054664 A054665 A054666 * A054668 A054669 A054670
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane, Apr 18 2000
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EXTENSIONS
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More terms from James A. Sellers, Apr 19 2000
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STATUS
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approved
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