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A159917 Fixed point of the morphism 0 -> 01, 1 -> 2, 2 -> 01, starting from a(0) = 0. 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, 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.

F. Michel Dekking, Morphisms, Symbolic Sequences, and Their Standard Forms, Journal of Integer Sequences, Vol. 19 (2016), Article 16.1.1.

MATHEMATICA

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

CROSSREFS

Sequence in context: A133450 A029410 A242082 * A242081 A190487 A054528

Adjacent sequences:  A159914 A159915 A159916 * A159918 A159919 A159920

KEYWORD

nonn

AUTHOR

Philippe Deléham, Apr 25 2009

EXTENSIONS

Name changed by 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 May 28 03:05 EDT 2017. Contains 287211 sequences.