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 A040982 Primes p such that x^5 = 19 has a solution mod p. 2
 2, 3, 5, 7, 13, 17, 19, 23, 29, 37, 43, 47, 53, 59, 67, 73, 79, 83, 89, 97, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 193, 197, 199, 223, 227, 229, 233, 239, 241, 257, 263, 269 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Complement of A040983 relative to A000040. [Bruno Berselli, Sep 12 2012] LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA ok[p_] := Reduce[Mod[x^5 - 19, p] == 0, x, Integers] =!= False; Select[Prime[Range[150]], ok] (* Vincenzo Librandi, Sep 12 2012 *) PROG (Magma) [p: p in PrimesUpTo(400) | exists(t){x : x in ResidueClassRing(p) | x^5 eq 19}]; // Vincenzo Librandi, Sep 12 2012 CROSSREFS Cf. A000040, A040983. Sequence in context: A040970 A216862 A040978 * A040980 A040159 A040171 Adjacent sequences: A040979 A040980 A040981 * A040983 A040984 A040985 KEYWORD nonn,easy AUTHOR N. J. A. Sloane. STATUS approved

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Last modified December 10 14:14 EST 2023. Contains 367710 sequences. (Running on oeis4.)