login
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A023410
In base 10, if any power of 2 ends with k 6's and 9's, they must be the first k terms of this sequence in reverse order.
4
6, 9, 6, 9, 6, 6, 6, 9, 6, 9, 6, 9, 9, 6, 9, 9, 9, 9, 9, 9, 6, 9, 6, 6, 6, 9, 9, 9, 9, 9, 9, 9, 9, 6, 9, 9, 6, 9, 9, 9, 9, 9, 6, 6, 6, 6, 9, 9, 6, 9, 6, 6, 9, 6, 6, 9, 6, 6, 9, 6, 6, 6, 6, 9, 6, 6, 9, 6, 9, 9, 9, 6, 6, 9, 9, 9, 6, 9, 9, 9, 6, 6, 6, 6, 6, 9, 6, 6, 9, 9, 9, 6, 9, 6, 9, 9, 6, 9, 6, 9, 9, 6, 6, 6, 6, 6, 9, 6
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Ray Chandler, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = 3*A023397(n).
CROSSREFS
Cf. A023397.
Sequence in context: A260230 A159691 A118947 * A010725 A193594 A011480
Adjacent sequences: A023407 A023408 A023409 * A023411 A023412 A023413
KEYWORD
nonn,base
AUTHOR
David W. Wilson
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified September 30 19:26 EDT 2024. Contains 376365 sequences.
License Agreements, Terms of Use, Privacy Policy