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!)
A288735 Positions of 1 in A288733; complement of A288734. 3
1, 5, 7, 8, 10, 11, 15, 19, 21, 22, 24, 25, 27, 28, 30, 31, 35, 39, 41, 42, 44, 45, 49, 53, 55, 56, 58, 59, 61, 62, 64, 65, 67, 68, 70, 71, 75, 79, 81, 82, 84, 85, 89, 93, 95, 96, 98, 99, 101, 102, 104, 105, 109, 113, 115, 116, 118, 119, 123, 127, 129, 130 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: a(n)/n -> 2, and 0 < 2 - a(n)/n < 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" -> "1000", "10" -> "01"}]

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

st = ToCharacterCode[w[21]] - 48   (* A288733 *)

Flatten[Position[st, 0]]  (* A288734 *)

Flatten[Position[st, 1]]  (* A288735 *)

CROSSREFS

Cf. A288733, A288734.

Sequence in context: A189034 A112250 A192067 * A317507 A304433 A080707

Adjacent sequences:  A288732 A288733 A288734 * A288736 A288737 A288738

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 16 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 April 16 10:13 EDT 2021. Contains 343036 sequences. (Running on oeis4.)