login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137042 Numbers n such that n and the square of n use only the digits 1, 3, 6 and 9. 0
1, 3, 6, 13, 19, 31, 63, 369, 31131, 969119 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Generated with DrScheme

LINKS

Table of n, a(n) for n=1..10.

J. Wellons, Tables of Shared Digits

EXAMPLE

969119^2 = 939191636161

CROSSREFS

Sequence in context: A136484 A137039 A137035 * A080546 A080554 A064349

Adjacent sequences:  A137039 A137040 A137041 * A137043 A137044 A137045

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 | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified October 22 02:49 EDT 2014. Contains 248382 sequences.