login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A285627 Positions of 1 in A285625; complement of A285626. 3
1, 3, 5, 6, 7, 9, 11, 12, 13, 15, 17, 19, 21, 23, 25, 26, 27, 29, 31, 32, 33, 35, 37, 39, 41, 43, 45, 46, 47, 49, 51, 52, 53, 55, 57, 58, 59, 61, 63, 64, 65, 67, 69, 70, 71, 73, 75, 76, 77, 79, 81, 83, 85, 87, 89, 90, 91, 93, 95, 96, 97, 99, 101, 103, 105 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n -> (1 + sqrt(5))/2 = golden ratio (A001622).

LINKS

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

EXAMPLE

As a word, A285625 = 101011101011..., in which 1 is in positions 1,3,5,6,7,9,...

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. A285625, A285626.

Sequence in context: A284015 A286908 A284852 * A320472 A064802 A233570

Adjacent sequences:  A285624 A285625 A285626 * A285628 A285629 A285630

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 01 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 October 20 15:11 EDT 2019. Contains 328267 sequences. (Running on oeis4.)