A040988 Primes p such that x^5 = 22 has a solution mod p.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 37, 43, 47, 53, 59, 67, 73, 79, 83, 89, 97, 103, 107, 109, 113, 127, 137, 139, 149, 157, 163, 167, 173, 179, 193, 197, 199, 223, 227, 229, 233, 239, 241, 257, 263, 269, 277, 283

Offset

1,1

Comments

Complement of A040989 relative to A000040. - Vincenzo Librandi, Sep 13 2012

Links

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

Mathematica

ok[p_]:=Reduce[Mod[x^5 - 22, p]==0, x, Integers]=!=False; Select[Prime[Range[150]], ok] (* Vincenzo Librandi, Sep 13 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(400) | exists(t){x : x in ResidueClassRing(p) | x^5 eq 22}]; // Vincenzo Librandi, Sep 13 2012

Crossrefs

Cf. A000040, A040989.

Sequence in context: A040990 A040177 A040184 * A065722 A335331 A279956

Adjacent sequences: A040985 A040986 A040987 * A040989 A040990 A040991

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved