A284901 Fixed point of the morphism 0 -> 01, 1 -> 1000.

0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1

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-> 011000 -> 0110001000010101 ->

Mathematica

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 0, 1, 1}}] &, {0}, 6] (* A284901 *)
Flatten[Position[s, 0]]  (* A284902 *)
Flatten[Position[s, 1]]  (* A284903 *)

Crossrefs

Cf. A284902, A284903.

Sequence in context: A270803 A030301 A316341 * A071981 A280910 A305816

Adjacent sequences: A284898 A284899 A284900 * A284902 A284903 A284904

Keyword

nonn,easy

Author

Clark Kimberling, Apr 16 2017

Status

approved