Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A050868
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A050868 Numbers n such that 233*2^n-1 is prime. +0
1
4, 10, 12, 22, 24, 34, 48, 60, 100, 562, 574, 640, 838, 852, 2002, 4198, 4932, 5860, 10492, 13834, 17398, 25944, 133030, 179992 (list; graph; listen)
OFFSET

1,1

LINKS

Ray Ballinger and Wilfrid Keller, List of primes k.2^n + 1 for k < 300

Wilfrid Keller, List of primes k.2^n - 1 for k < 300

Index entries for sequences of n such that k*2^n-1 (or k*2^n+1) is prime

Kosmaj, Riesel list k<300.

CROSSREFS

Sequence in context: A065056 A080285 A138628 this_sequence A007319 A074939 A038464

Adjacent sequences: A050865 A050866 A050867 this_sequence A050869 A050870 A050871

KEYWORD

hard,nonn

AUTHOR

njas, Dec 29 1999

EXTENSIONS

More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 02 2008

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 July 8 18:40 EDT 2008. Contains 141013 sequences.


AT&T Labs Research