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A040046 Primes p such that x^3 = 6 has a solution mod p. 2

%I

%S 2,3,5,7,11,17,23,29,37,41,47,53,59,71,83,89,101,107,113,131,137,139,

%T 149,163,167,173,179,181,191,197,227,233,239,241,251,257,263,269,281,

%U 293,307,311,313,317,337,347,349

%N Primes p such that x^3 = 6 has a solution mod p.

%C Complement of A040047 relative to A000040. - _Vincenzo Librandi_, Sep 13 2012

%H Vincenzo Librandi, <a href="/A040046/b040046.txt">Table of n, a(n) for n = 1..1000</a>

%t ok [p_]:=Reduce[Mod[x^3 - 6, p] == 0, x, Integers] =!= False; Select[Prime[Range[180]], ok] (* _Vincenzo Librandi_, Sep 11 2012 *)

%o (MAGMA) [p: p in PrimesUpTo(450) | exists(t){x : x in ResidueClassRing(p) | x^3 eq 6}]; // _Vincenzo Librandi_, Sep 11 2012

%Y Cf. A000040, A040047.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_.

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Last modified September 21 00:17 EDT 2019. Contains 327252 sequences. (Running on oeis4.)