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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A286058 Positions of 1 in A286939; complement of A285667. 3
3, 5, 9, 13, 16, 20, 23, 27, 29, 33, 36, 40, 42, 46, 49, 53, 57, 60, 64, 66, 70, 73, 77, 81, 84, 88, 90, 94, 97, 101, 104, 108, 110, 114, 117, 121, 125, 128, 132, 134, 138, 141, 145, 148, 152, 154, 158, 161, 165, 169, 172, 176, 178, 182, 185, 189, 191, 195 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: a(n)/n)) -> 3.38... , and if m denotes this number, then -1 < a(n)/n - m < 1 for n >= 1.

LINKS

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

MATHEMATICA

s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];

w[n_] := StringReplace[w[n - 1], {"00" -> "001", "1" -> "010"}]

Table[w[n], {n, 0, 8}]

st = ToCharacterCode[w[11]] - 48   (* A285666 *)

Flatten[Position[st, 0]]  (* A285667 *)

Flatten[Position[st, 1]]  (* A286058 *)

CROSSREFS

Cf. A285666, A285667.

Sequence in context: A018533 A187569 A181557 * A076052 A050556 A138008

Adjacent sequences:  A286055 A286056 A286057 * A286059 A286060 A286061

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 05 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 July 18 11:23 EDT 2019. Contains 325138 sequences. (Running on oeis4.)