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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A287724 Positions of 1 in A287722; complement of A287723. 4
1, 3, 5, 6, 8, 10, 12, 14, 15, 17, 19, 20, 22, 24, 26, 28, 29, 31, 33, 35, 37, 38, 40, 42, 43, 45, 47, 49, 51, 52, 54, 56, 57, 59, 61, 63, 65, 66, 68, 70, 72, 74, 75, 77, 79, 80, 82, 84, 86, 88, 89, 91, 93, 95, 97, 98, 100, 102, 103, 105, 107, 109, 111, 112 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: 0 < n*r - a(n) < 3 for n >= 1, where r = 4 - sqrt(5).

LINKS

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

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0}}] &, {0}, 10] (* A003849 *)

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"0" -> "1", "1" -> "011"}]

st = ToCharacterCode[w1] - 48    (* A287722 *)

Flatten[Position[st, 0]]  (* A287723 *)

Flatten[Position[st, 1]]  (* A287724 *)

CROSSREFS

Cf. A287722, A287723.

Sequence in context: A300730 A191777 A284590 * A024705 A190192 A187977

Adjacent sequences:  A287721 A287722 A287723 * A287725 A287726 A287727

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 02 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 14 12:31 EDT 2019. Contains 328006 sequences. (Running on oeis4.)