login
This site is supported by donations to The OEIS Foundation.

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105877 Primes for which -5 is a primitive root. 2
2, 11, 17, 19, 37, 53, 59, 73, 79, 97, 113, 131, 137, 139, 151, 157, 173, 179, 193, 197, 233, 239, 257, 277, 293, 311, 317, 331, 353, 359, 373, 397, 419, 431, 433, 439, 479, 491, 499, 557, 571, 577, 593, 599, 613, 617, 619, 653, 659, 673, 677, 719, 751, 757, 773, 797, 811 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

pr=-5; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

CROSSREFS

Sequence in context: A103336 A019402 A038927 * A173638 A018420 A133410

Adjacent sequences:  A105874 A105875 A105876 * A105878 A105879 A105880

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 24 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified September 23 04:28 EDT 2014. Contains 247089 sequences.