Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A098268
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A098268 Unique prime factors of 2^n+1 are of the form kn+1. These are the values for k. +0
1
2, 2, 0, 4, 2, 2, 6, 32, 2, 4, 62, 20, 210, 2, 8, 22, 4096, 2570, 2, 6, 9198, 3084, 258, 18, 96, 121574, 4, 28, 10, 162, 2, 6, 62, 3230, 563940, 2, 104592, 2, 44, 23091222 (list; graph; listen)
OFFSET

1,1

COMMENT

The values for 2^n+1 are in [A098267]. In this sequence where a(n) has more than one k value they are separated with commas. See [A097406 & A097407]

CROSSREFS

Sequence in context: A060821 A005881 A144458 this_sequence A128585 A141333 A078029

Adjacent sequences: A098265 A098266 A098267 this_sequence A098269 A098270 A098271

KEYWORD

nonn

AUTHOR

Marco Matosic (marcomatosic(AT)hotmail.com), Sep 01 2004

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 December 10 12:37 EST 2009. Contains 170569 sequences.


AT&T Labs Research