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Search: id:A092782
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| A092782 |
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Fixed point of the morphism 1 -> 12, 2 -> 13, 3 -> 1, starting from a(1) = 1. |
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+0
8
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| 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 2, 1, 3, 1, 2, 1, 1, 2, 1, 3
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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See A103269 for another version with further references and comments.
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REFERENCES
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V. F. Sirvent, Semigroups and the self-similar structure of the flipped tribonacci substitution, Applied Math. Letters, 12 (1999), 25-29. [Contains many further references.]
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FORMULA
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a(n) = 1 for n in A003144; a(n) = 2 for n in A003145; a(n) = 3 for n in A003146.
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MATHEMATICA
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Nest[ Function[ l, {Flatten[(l /. {1 -> {1, 2}, 2 -> {1, 3}, 3 -> {1}})] }], {1}, 8] (from Robert G. Wilson v Mar 04 2005)
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CROSSREFS
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Cf. A003144 A003145 A003146 A100619 A103269.
Sequence in context: A092412 A078734 A028293 this_sequence A089242 A029423 A059130
Adjacent sequences: A092779 A092780 A092781 this_sequence A092783 A092784 A092785
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KEYWORD
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easy,nonn
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AUTHOR
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DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Apr 23 2004
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