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!)
A136942 Numbers k such that k and k^2 use only the digits 0, 3, 5 and 9. 1
0, 3, 30, 300, 3000, 30000, 300000, 550503, 3000000, 5505030, 30000000, 55050300, 300000000, 550503000, 3000000000, 5505030000, 30000000000, 55050300000, 300000000000, 550500050003, 550503000000, 3000000000000, 3000505050003, 5505000500030, 5505030000000, 30000000000000, 30005050500030, 55050005000003 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
EXAMPLE
3000505050003^2 = 9003030555093505530300009.
CROSSREFS
Sequence in context: A136940 A136929 A136935 * A136947 A093138 A361896
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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 February 24 22:04 EST 2024. Contains 370307 sequences. (Running on oeis4.)