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A284905 Fixed point of the morphism 0 -> 01, 1 -> 1001. 4
0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

Index entries for sequences that are fixed points of mappings

EXAMPLE

0 -> 01-> 011001 -> 011001100101011001 ->

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0, 0, 1}}] &, {0}, 6] (* A284905 *)

Flatten[Position[s, 0]]  (* A284906 *)

Flatten[Position[s, 1]]  (* A284907 *)

CROSSREFS

Cf. A284906, A284907.

Sequence in context: A079336 A288670 A057215 * A291197 A269927 A246146

Adjacent sequences:  A284902 A284903 A284904 * A284906 A284907 A284908

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 17 2017

STATUS

approved

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Last modified November 13 17:34 EST 2019. Contains 329106 sequences. (Running on oeis4.)