A049568 Primes p such that x^36 = 2 has a solution mod p.

2, 23, 31, 47, 71, 89, 113, 127, 167, 191, 223, 233, 239, 257, 263, 281, 311, 353, 359, 383, 431, 439, 479, 503, 593, 599, 601, 617, 647, 719, 727, 743, 839, 863, 881, 887, 911, 983, 1031, 1049, 1097, 1103, 1151, 1193, 1217, 1223, 1289, 1319, 1327, 1367

Offset

1,1

Links

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

Index entries for related sequences

Mathematica

ok[p_]:= Reduce[Mod[x^36 - 2, p] == 0, x, Integers] =!= False; Select[Prime[Range[300]], ok] (* Vincenzo Librandi, Sep 14 2012 *)

Prog

(Magma) [p: p in PrimesUpTo(1500) | exists(t){x : x in ResidueClassRing(p) | x^36 eq 2}]; // Vincenzo Librandi, Sep 14 2012

Crossrefs

Cf. A000040.

Sequence in context: A065987 A107153 A049544 * A049556 A049580 A061448

Adjacent sequences: A049565 A049566 A049567 * A049569 A049570 A049571

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved