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!)
A288598 Positions of 1 in A288596; complement of A288597. 3
2, 7, 9, 11, 15, 19, 24, 26, 27, 32, 34, 35, 40, 42, 44, 48, 49, 54, 56, 58, 62, 63, 68, 70, 72, 76, 80, 85, 87, 88, 89, 94, 96, 98, 102, 106, 111, 113, 114, 115, 120, 122, 124, 128, 132, 137, 139, 140, 145, 147, 148, 153, 155, 157, 161, 162, 163, 168, 170 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n->2.83..., and if m denotes this number, then -1 < m - 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" -> "0101", "1" -> "1000"}]

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

st = ToCharacterCode[w[11]] - 48   (* A288596 *)

Flatten[Position[st, 0]]  (* A288597 *)

Flatten[Position[st, 1]]  (* A288598 *)

CROSSREFS

Cf. A288596, A288597.

Sequence in context: A022424 A136498 A297826 * A277737 A082371 A090348

Adjacent sequences:  A288595 A288596 A288597 * A288599 A288600 A288601

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 14 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 September 20 10:24 EDT 2020. Contains 337264 sequences. (Running on oeis4.)