A038908 Primes p such that 33 is not a square mod p.

5, 7, 13, 19, 23, 43, 47, 53, 59, 61, 71, 73, 79, 89, 109, 113, 127, 137, 139, 151, 179, 191, 193, 211, 241, 251, 257, 269, 271, 277, 283, 307, 311, 317, 337, 349, 353, 373, 383, 389, 401, 409, 419, 439, 443, 449

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Links

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

Programs

Mathematica

Select[Prime@Range[120], JacobiSymbol[33, #] == -1 &] (* Vincenzo Librandi, Sep 09 2012 *)

Extensions

Offset changed from 0 to 1 by Vincenzo Librandi, Sep 09 2012