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A284939 Fixed point of the morphism 0 -> 01, 1 -> 1101, starting with 0. 5
0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET
1
COMMENTS
The other fixed point is 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, ... - Michel Dekking, Jan 22 2018
LINKS
EXAMPLE
0 -> 01-> 011101 -> 01110111011101011101 -> ...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 1, 0, 1}}] &, {0}, 6] (* A284939 *)
Flatten[Position[s, 0]] (* A080580 *)
Flatten[Position[s, 1]] (* A284941 *)
CROSSREFS
Sequence in context: A140318 A060584 A098725 * A188260 A341625 A166486
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 18 2017
EXTENSIONS
Name clarified by Michel Dekking, Jan 22 2018
STATUS
approved

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)