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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A287723 Positions of 0 in A287722; complement of A287724. 4
2, 4, 7, 9, 11, 13, 16, 18, 21, 23, 25, 27, 30, 32, 34, 36, 39, 41, 44, 46, 48, 50, 53, 55, 58, 60, 62, 64, 67, 69, 71, 73, 76, 78, 81, 83, 85, 87, 90, 92, 94, 96, 99, 101, 104, 106, 108, 110, 113, 115, 118, 120, 122, 124, 127, 129, 131, 133, 136, 138, 141 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: -1 < n*r - a(n) < 1 for n >= 1, where r = (7 + sqrt(5))/4.

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, A287724.

Sequence in context: A029924 A125883 A022848 * A284589 A020904 A043000

Adjacent sequences:  A287720 A287721 A287722 * A287724 A287725 A287726

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 09:25 EDT 2019. Contains 327995 sequences. (Running on oeis4.)