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A101664
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Fixed point of morphism 0 -> 01, 1 -> 12, 2 -> 00.
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0
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0, 1, 1, 2, 1, 2, 0, 0, 1, 2, 0, 0, 0, 1, 0, 1, 1, 2, 0, 0, 0, 1, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 0, 0, 0, 1, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 0, 0, 0, 1, 1, 2, 1, 2, 0, 0, 1, 2, 0, 0, 0, 1, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 0, 0, 0, 1, 1, 2, 1, 2, 0, 0, 0, 1, 1, 2, 1, 2, 0, 0, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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FORMULA
| a(2n) = [a(n)==1], a(2n+1) = (a(n)+1) mod 3.
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MATHEMATICA
| Nest[ Function[ l, {Flatten[(l /. {0 -> {0, 1}, 1 -> {1, 2}, 2 -> {0, 0}}) ]}], {0}, 7] (from Robert G. Wilson v Mar 03 2005)
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CROSSREFS
| Sequence in context: A035194 A161491 A030203 * A091952 A108803 A050601
Adjacent sequences: A101661 A101662 A101663 * A101665 A101666 A101667
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KEYWORD
| nonn,easy
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AUTHOR
| Ralf Stephan, Dec 11 2004
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