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A101664 Fixed point of morphism 0 -> 01, 1 -> 12, 2 -> 00. +0
1
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; listen)
OFFSET

0,4

FORMULA

a(2n) = [a(n)==1], a(2n+1) = (a(n)+1) mod 3.

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)

CROSSREFS

Sequence in context: A035194 A161491 A030203 this_sequence A091952 A108803 A050601

Adjacent sequences: A101661 A101662 A101663 this_sequence A101665 A101666 A101667

KEYWORD

nonn,easy

AUTHOR

Ralf Stephan, Dec 11 2004

page 1

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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