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Search: id:A092606
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| A092606 |
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Fixed point of the morphism 0 -> 021, 1 -> 0, 2 -> 0; starting with a(1) = 0. |
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+0
5
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| 0, 2, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 2, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 2, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 1, 0, 0, 0, 2, 1, 0, 2, 1, 0, 2, 1, 0, 0, 0, 2, 1, 0
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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To construct the sequence : start from the Feigenbaum sequence A035263 = 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, ..., then change 0 -> 2, 1 and 1 -> 0 . - DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Apr 12 2004
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FORMULA
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a(n) = 0 for n in A003156; a(n) = 1 for n in A003157; a(n) = 2 for n in A003158.
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MATHEMATICA
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Nest[ Function[ l, {Flatten[(l /. {0 -> {0, 2, 1}, 1 -> {0}, 2 -> {0}})]}], {0}, 6] (from Robert G. Wilson v Mar 03 2005)
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CROSSREFS
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Cf. A003156, A003157, A003158.
Sequence in context: A025894 A051127 A070176 this_sequence A073253 A004198 A116402
Adjacent sequences: A092603 A092604 A092605 this_sequence A092607 A092608 A092609
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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 11 2004
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