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A285671 Fixed point of the morphism 0->11, 1->1110. 3
1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0 (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 -> 11 -> 1110 -> 1110111110 -> 1110111011101111101110v1110111011... ->

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 1, 0, 1}}] &, {0}, 9]  (* A285671 *)

Flatten[Position[s, 0]]  (* A045672 *)

Flatten[Position[s, 1]]  (* A045671 *)

CROSSREFS

Cf. A045671, A045672.

Sequence in context: A182741 A239681 A255339 * A290808 A190239 A292301

Adjacent sequences:  A285668 A285669 A285670 * A285672 A285673 A285674

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 02 2017

STATUS

approved

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Last modified October 20 15:44 EDT 2017. Contains 293626 sequences.