A038896 Primes p such that 22 is not a square mod p.

5, 17, 19, 23, 31, 37, 41, 43, 47, 53, 71, 73, 83, 103, 107, 131, 139, 157, 181, 191, 193, 199, 211, 223, 227, 229, 233, 241, 269, 281, 283, 307, 311, 317, 337, 347, 367, 383, 389, 397, 409, 421, 457, 463, 487

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[2120], JacobiSymbol[22, #] == -1 &] (* Vincenzo Librandi, Sep 08 2012 *)

Extensions

Offset changed from 0 to 1 by Vincenzo Librandi, Sep 08 2012