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A159917 Fixed point of the morphism 0 -> 01, 1 -> 2, 2 -> 01, starting from a(0) = 0. 0
0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Equals A003714 mod 4.

LINKS

Table of n, a(n) for n=0..104.

MATHEMATICA

Nest[Flatten[ # /. {0 -> {0, 1}, 1 -> {2}, 2 -> {0, 1}}] &, {0}, 10] [From Robert G. Wilson v, Apr 27 2009]

CROSSREFS

Sequence in context: A122924 A133450 A029410 * A190487 A054528 A025884

Adjacent sequences:  A159914 A159915 A159916 * A159918 A159919 A159920

KEYWORD

nonn

AUTHOR

Philippe Deléham, Apr 25 2009

EXTENSIONS

Changed title - Robert G. Wilson v, Apr 27 2009

More terms from Robert G. Wilson v, Apr 27 2009

STATUS

approved

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Last modified April 24 15:13 EDT 2014. Contains 240985 sequences.