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A191250 Fixed point of the morphism 0 -> 01, 1 -> 02, 2 -> 001. 20
0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

A few 3-substitution sequences:

A191250:  0 -> 01, 1 -> 02, 2 -> 001

A191254:  0 -> 01, 1 -> 02, 2 -> 01

A191255:  0 -> 01, 1 -> 02, 2 -> 03, 3 -> 01

A191258:  0 -> 01, 1 -> 02, 2 -> 03, 3 -> 001

A191261:  0 -> 01, 1 -> 002, 2 -> 01

A191265:  0 -> 001, 1 -> 002, 2 -> 01

A191269:  0 -> 001, 1 -> 02, 2 -> 01

See also A189576 and A189628.

LINKS

Table of n, a(n) for n=1..132.

MATHEMATICA

t = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 2}, 2 -> {0, 0, 1}}] &, {0}, 8]  (* A191250 *)

Flatten[Position[t, 0]]  (* A191251 *)

Flatten[Position[t, 1]]  (* A191252 *)

Flatten[Position[t, 2]]  (* A191253 *)

CROSSREFS

Cf. A191251, A191252, A191253.

Sequence in context: A244315 A214303 A281274 * A107064 A113687 A071006

Adjacent sequences:  A191247 A191248 A191249 * A191251 A191252 A191253

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 28 2011

STATUS

approved

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Last modified September 18 03:39 EDT 2020. Contains 337164 sequences. (Running on oeis4.)