Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A074786
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A074786 Numbers n such that phi(n)=sum(d|n,core(d)) where core(x) is the squarefree part of x (A007913) +0
1
1, 99, 1080, 1836, 4743, 5670, 7644, 8307, 14384, 14784, 15225, 15824, 16065, 20300, 21584, 25704, 29760, 34544, 46816, 71568, 94240 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A061366 A135219 A093299 this_sequence A157370 A163040 A133319

Adjacent sequences: A074783 A074784 A074785 this_sequence A074787 A074788 A074789

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 07 2002

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 November 24 19:42 EST 2009. Contains 167435 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.