login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105877 Primes for which -5 is a primitive root. 2

%I

%S 2,11,17,19,37,53,59,73,79,97,113,131,137,139,151,157,173,179,193,197,

%T 233,239,257,277,293,311,317,331,353,359,373,397,419,431,433,439,479,

%U 491,499,557,571,577,593,599,613,617,619,653,659,673,677,719,751,757,773,797,811

%N Primes for which -5 is a primitive root.

%H Vincenzo Librandi, <a href="/A105877/b105877.txt">Table of n, a(n) for n = 1..1000</a>

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

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Apr 24 2005

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 5 20:04 EDT 2020. Contains 333260 sequences. (Running on oeis4.)