login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A285569 Positions of 0 in A285568; complement of A286031. 3
3, 6, 7, 10, 15, 18, 19, 22, 25, 28, 29, 32, 35, 38, 39, 42, 47, 50, 51, 54, 57, 60, 61, 64, 65, 68, 69, 72, 75, 78, 79, 82, 87, 90, 91, 94, 97, 100, 101, 104, 107, 110, 111, 114, 119, 122, 123, 126, 131, 134, 135, 138, 143, 146, 147, 150, 153, 156, 157, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n -> (3+sqrt(5))/2.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

As a word, A285568 = 110110011011..., in which 0 is in positions 3,6,7,10,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 1, 1, 0}}] &, {0}, 9] (* A285568 *)

Flatten[Position[s, 0]]  (* A285569 *)

Flatten[Position[s, 1]]  (* A286031 *)

CROSSREFS

Cf. A285566, A285568, A286031.

Sequence in context: A100468 A190685 A035000 * A024412 A255508 A262972

Adjacent sequences:  A285566 A285567 A285568 * A285570 A285571 A285572

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 30 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 17 02:22 EST 2020. Contains 331976 sequences. (Running on oeis4.)