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Search: id:A054664
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| A054664 |
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Number of 4-ary Lyndon words with trace 0 mod 4. |
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+0
1
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| 1, 1, 5, 14, 51, 165, 585, 2032, 7280, 26163, 95325, 349350, 1290555, 4792905, 17895679, 67106816, 252645135, 954429840, 3616814565, 13743869130, 52357696365, 199911109725, 764877654105, 2932030657200, 11258999068416
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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Also number of 4-ary Lyndon words with trace 2 mod 4.
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LINKS
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F. Ruskey, Number of q-ary Lyndon words with given trace mod q
F. Ruskey, Number of Lyndon words of given trace
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CROSSREFS
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Cf. A000048, A051841, A046211, A046209, A054660, etc.
Sequence in context: A134418 A107242 A063835 this_sequence A091218 A133751 A005504
Adjacent sequences: A054661 A054662 A054663 this_sequence A054665 A054666 A054667
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KEYWORD
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nonn,easy
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AUTHOR
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njas, Apr 18 2000
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Apr 19 2000
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