A285625 Fixed point of the morphism 0->11, 1->1010.

1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 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 -> 1010 ->  101011101011-> 1010111010111010101010101110101110101010... ->

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 0, 1, 0}}] &, {0}, 10] (* A285625 *)
Flatten[Position[s, 0]]  (* A285626 *)
Flatten[Position[s, 1]]  (* A285627 *)

Crossrefs

Cf. A285626, A285627.

Sequence in context: A245837 A245656 A354032 * A283966 A054354 A156728

Adjacent sequences: A285622 A285623 A285624 * A285626 A285627 A285628

Keyword

nonn,easy

Author

Clark Kimberling, May 01 2017

Status

approved