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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A146566 Numbers n such that n*sigma_0(n)/(n-sigma_0(n))= c, c an integer. 2
3, 4, 8, 12, 18, 24, 36, 40, 60, 84, 156, 180 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A000027(n)*A000005(n)/(A000027(n)-A000005(n))=c, c an integer.

CROSSREFS

Cf. A000027, A000005

Sequence in context: A138926 A077434 A076136 * A064188 A147620 A195746

Adjacent sequences:  A146563 A146564 A146565 * A146567 A146568 A146569

KEYWORD

easy,nonn

AUTHOR

Ctibor O. Zizka (c.zizka(AT)email.cz), Nov 01 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

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

Last modified February 17 11:46 EST 2012. Contains 206011 sequences.