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Search: id:A060481
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| A060481 |
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Number of orbits of length n in map whose periodic points come from A059991. |
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+0
1
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| 1, 0, 1, 0, 3, 2, 9, 0, 28, 24, 93, 20, 315, 288, 1091, 0, 3855
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OFFSET
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1,5
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REFERENCES
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V. Chothi, G. Everest, T. Ward. S-integer dynamical systems: periodic points. J. Reine Angew. Math., 489 (1997), 99-132.
T. Ward. Almost all S-integer dynamical systems have many periodic points. Erg. Th. Dynam. Sys. 18 (1998), 471-486.
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FORMULA
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If b(n) is the n-th term of A059991, then a(n)=(1/n)* Sum_{d|n}\mu(d)a(n/d)
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CROSSREFS
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A059991.
Sequence in context: A047946 A066045 A110866 this_sequence A010271 A143074 A104005
Adjacent sequences: A060478 A060479 A060480 this_sequence A060482 A060483 A060484
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KEYWORD
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easy,nonn
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AUTHOR
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Thomas Ward (t.ward(AT)uea.ac.uk)
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