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A040973 Primes p such that x^5 = 14 has no solution mod p. 2
11, 31, 71, 131, 151, 181, 241, 251, 271, 281, 311, 331, 401, 421, 431, 521, 541, 571, 601, 631, 641, 661, 701, 751, 761, 811, 821, 881, 941, 991, 1021, 1031, 1051, 1061, 1091, 1151, 1171, 1181, 1201, 1231 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A040972 relative to A000040. - Vincenzo Librandi, Sep 18 2012

LINKS

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

MATHEMATICA

ok[p_]:= Reduce[Mod[x^5 - 14, p] == 0, x, Integers] == False; Select[Prime[Range[300]], ok] (* Vincenzo Librandi, Sep 18 2012  *)

PROG

(MAGMA) [p: p in PrimesUpTo(1500) | not exists{x : x in ResidueClassRing(p) | x^5 eq 14} ]; //  Vincenzo Librandi, Sep 18 2012

CROSSREFS

Sequence in context: A090233 A139836 A085715 * A141884 A139634 A173803

Adjacent sequences:  A040970 A040971 A040972 * A040974 A040975 A040976

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 26 08:00 EDT 2021. Contains 348267 sequences. (Running on oeis4.)