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A101661
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Fixed point of morphism 0 -> 01, 1 -> 02, 2 -> 20.
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0
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0, 1, 0, 2, 0, 1, 2, 0, 0, 1, 0, 2, 2, 0, 0, 1, 0, 1, 0, 2, 0, 1, 2, 0, 2, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 2, 0, 0, 1, 0, 2, 2, 0, 0, 1, 2, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 2, 0, 0, 1, 0, 2, 0, 1, 2, 0, 0, 1, 0, 2, 2, 0, 0, 1, 0, 1, 0, 2, 0, 1, 2, 0, 2, 0, 0, 1, 0, 1, 0, 2, 2, 0, 0, 1, 0, 1, 0, 2, 0
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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FORMULA
| a(2n) = 2[a(n)==2], a(2n+1) = (a(n)+1) mod 3.
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MATHEMATICA
| Nest[ Function[ l, {Flatten[(l /. {0 -> {0, 1}, 1 -> {0, 2}, 2 -> {2, 0}})]}], {0}, 7] (from Robert G. Wilson v 28 2005)
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CROSSREFS
| Sequence in context: A077762 A085496 A180160 * A079644 A072705 A072574
Adjacent sequences: A101658 A101659 A101660 * A101662 A101663 A101664
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KEYWORD
| nonn,easy
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AUTHOR
| Ralf Stephan, Dec 11 2004
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