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!)
A318925 a(n) = A175046(A318921(n)). 2
0, 0, 0, 3, 0, 0, 3, 7, 0, 0, 0, 3, 12, 3, 7, 15, 0, 0, 0, 3, 0, 0, 3, 7, 24, 12, 3, 7, 28, 7, 15, 31, 0, 0, 0, 3, 0, 0, 3, 7, 0, 0, 0, 3, 12, 3, 7, 15, 48, 24, 12, 51, 12, 3, 7, 15, 56, 28, 7, 15, 60, 15, 31, 63, 0, 0, 0, 3, 0, 0, 3, 7, 0, 0, 0, 3, 12, 3, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

Inspired by Andrew Weimholt's observation that A318921(A175046(n)) = A001477(n).

As in A318921, the empty string is represented by 0.

a(n) = n iff every run in the binary expansion of n has length at least 2, and otherwise a(n) < n.

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..16384

CROSSREFS

Cf. A318921, A175046, A001477.

Sequence in context: A337981 A341761 A181787 * A285213 A285339 A344931

Adjacent sequences:  A318922 A318923 A318924 * A318926 A318927 A318928

KEYWORD

nonn,look,hear,base

AUTHOR

N. J. A. Sloane, Sep 09 2018

EXTENSIONS

More terms from Rémy Sigrist, Sep 09 2018

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 28 19:16 EDT 2021. Contains 347717 sequences. (Running on oeis4.)