A285384 Limiting 1-word of the morphism 0 -> 11, 1 -> 01.

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

Formula

a(n) = A285383(n) for n >= 2.

Example

0 -> 11-> 0101 -> 11011101 -> 0101110101011101 -> ...

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1}}] &, {0}, 16] (* this sequence *)
Flatten[Position[s, 0]]  (* A072939 *)
Flatten[Position[s, 1]]  (* A285385 *)

Crossrefs

Cf. A072939, A285383, A285385.

Sequence in context: A267778 A380372 A379952 * A165728 A337966 A010890

Adjacent sequences: A285381 A285382 A285383 * A285385 A285386 A285387

Keyword

nonn,easy

Author

Clark Kimberling, Apr 26 2017

Extensions

NAME corrected by R. J. Mathar, Nov 05 2019

Status

approved