Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A032422
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A032422 Numbers n such that 145*2^n+1 is prime. +0
1
6, 16, 28, 70, 76, 250, 276, 312, 562, 636, 1366, 1552, 1968, 7000, 7312, 7548, 7852, 8116, 16306, 18868, 20518, 23676, 27400, 75858 (list; graph; listen)
OFFSET

1,1

LINKS

Ray Ballinger, Proth Search Page

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

Y. Gallot, Proth.exe: Windows Program for Finding Large Primes

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

CROSSREFS

Sequence in context: A043513 A017341 A088818 this_sequence A054000 A113742 A102214

Adjacent sequences: A032419 A032420 A032421 this_sequence A032423 A032424 A032425

KEYWORD

nonn

AUTHOR

Jim Buddenhagen (jbuddenh(AT)gmail.com)

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 25 14:49 EST 2009. Contains 167514 sequences.


AT&T Labs Research