A285657 Fixed point of the morphism 0->11, 1->1011.

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, 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, 1, 1, 0

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 -> 1011 -> 10111110111011 -> 10111110111011101110111011111011101110111110111011... ->

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 0, 1, 1}}] &, {0}, 9]  (* A285657 *)
Flatten[Position[s, 0]]  (* A285658 *)
Flatten[Position[s, 1]]  (* A285659 *)

Crossrefs

Cf. A285658, A285659.

Sequence in context: A368281 A153860 A254377 * A162519 A181359 A072418

Adjacent sequences: A285654 A285655 A285656 * A285658 A285659 A285660

Keyword

nonn,easy

Author

Clark Kimberling, May 01 2017

Status

approved