Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A055196
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A055196 Numbers n such that n | Sigma(n)*Phi(n) and n is primitive. +0
1
6, 28, 40, 117, 135, 496, 775, 891, 1701, 2176, 5632, 6875, 8128, 18688, 23552, 26624, 44375, 88723, 89667, 91136, 274625, 352256, 557375, 628849, 722701, 796797 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A011775.

Sequence in context: A083865 A117948 A071834 this_sequence A120624 A138873 A091307

Adjacent sequences: A055193 A055194 A055195 this_sequence A055197 A055198 A055199

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 30 2000

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research

Legal Notice
© 2007 AT&T Knowledge Ventures. All Rights Reserved.