login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A141823 Integers n>1 such that A141822(n)=4. 4
20, 28, 38, 42, 90, 96, 156, 164, 216, 228, 252, 318, 336, 350, 384, 386, 442, 508, 558, 770, 876, 922, 978, 1014, 1155, 1170, 1410, 1450, 1692, 1870, 2052, 2370, 3618, 5052, 6234 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
No other terms below 10^5.
Zaremba conjectured that A141832, A141833, A195901, and this sequence form a partition of the integers >1.
Is this sequence finite? If so, is it complete?
LINKS
CROSSREFS
Sequence in context: A024411 A269986 A139805 * A367632 A137428 A368089
KEYWORD
nonn,more,hard
AUTHOR
T. D. Noe, Jul 08 2008, Jul 09 2008
EXTENSIONS
Edited by Max Alekseyev, Sep 25 2011
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 19 01:57 EDT 2024. Contains 370952 sequences. (Running on oeis4.)