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A040095
Primes p such that x^3 = 23 has a solution mod p.
2
2, 3, 5, 11, 17, 23, 29, 31, 37, 41, 47, 53, 59, 61, 71, 83, 89, 101, 103, 107, 109, 113, 131, 137, 139, 149, 157, 163, 167, 173, 179, 191, 193, 197, 211, 227, 233, 239, 241, 251, 257, 263, 269, 271, 281, 293, 311
OFFSET
1,1
COMMENTS
Complement of A040096 relative to A000040. - Vincenzo Librandi, Sep 13 2012
LINKS
MATHEMATICA
ok [p_]:=Reduce[Mod[x^3 - 23, p] == 0, x, Integers] =!= False; Select[Prime[Range[180]], ok] (* Vincenzo Librandi, Sep 11 2012 *)
PROG
(Magma) [p: p in PrimesUpTo(450) | exists(t){x : x in ResidueClassRing(p) | x^3 eq 23}]; // Vincenzo Librandi, Sep 11 2012
CROSSREFS
Sequence in context: A274386 A079545 A154755 * A040028 A049589 A049583
KEYWORD
nonn,easy
AUTHOR
STATUS
approved