login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A038930 Primes p such that 51 is not a square mod p. 1

%I #7 Sep 09 2012 11:11:09

%S 2,11,19,23,37,43,53,61,67,71,73,89,97,101,103,107,109,127,131,137,

%T 149,151,167,181,193,223,227,241,257,271,277,281,293,307,311,313,331,

%U 337,347,353,389,397,419,431,461

%N Primes p such that 51 is not a square mod p.

%H Vincenzo Librandi, <a href="/A038930/b038930.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime@Range[120], JacobiSymbol[51, #] == -1 &] (* _Vincenzo Librandi_, Sep 09 2012 *)

%o (PARI) select(n->!issquare(Mod(51,n)),primes(100)) \\ _Charles R Greathouse IV_, Sep 09 2012

%K nonn

%O 1,1

%A _N. J. A. Sloane_.

%E Offset changed from 0 to 1 by _Vincenzo Librandi_, Sep 09 2012

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)