Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A050592
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A050592 Numbers n such that 133*2^n-1 is prime. +0
1
3, 11, 15, 19, 31, 59, 75, 103, 163, 235, 375, 615, 767, 1223, 1411, 26655, 47351, 75027, 83323, 121571, 238163, 312359, 359915, 471455 (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: A106374 A075330 A131323 this_sequence A032466 A060698 A046159

Adjacent sequences: A050589 A050590 A050591 this_sequence A050593 A050594 A050595

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