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A049549 Primes p such that x^17 = 2 has a solution mod p. 2
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 107, 109, 113, 127, 131, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 241, 251, 257, 263, 269, 271, 277, 281, 283 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A058999 relative to A000040. - Vincenzo Librandi, Sep 13 2012

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..1000

Index entries for related sequences

MATHEMATICA

ok[p_]:= Reduce[Mod[x^17- 2, p] == 0, x, Integers]=!=False; Select[Prime[Range[200]], ok] (* Vincenzo Librandi, Sep 13 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(400) | exists(t){x : x in ResidueClassRing(p) | x^17 eq 2}]; // Vincenzo Librandi, Sep 13 2012

CROSSREFS

Cf. A000040, A058999.

Sequence in context: A164837 A069675 A049585 * A030291 A242541 A052085

Adjacent sequences:  A049546 A049547 A049548 * A049550 A049551 A049552

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified August 7 08:08 EDT 2020. Contains 336274 sequences. (Running on oeis4.)