|
|
A040058
|
|
Primes p such that x^3 = 10 has no solution mod p.
|
|
2
|
|
|
7, 13, 19, 31, 43, 61, 67, 97, 109, 151, 157, 163, 181, 193, 199, 211, 223, 229, 241, 277, 283, 307, 313, 337, 367, 373, 379, 397, 409, 433, 439, 487, 499, 523, 541, 571, 577, 601, 619, 631, 709, 727, 757, 769
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Complement of A040054 relative to A000040. - Vincenzo Librandi, Sep 17 2012
|
|
LINKS
|
Vincenzo Librandi, Table of n, a(n) for n = 1..1000
|
|
MATHEMATICA
|
ok[p_]:= Reduce[Mod[x^3 - 10, p] == 0, x, Integers] == False; Select[Prime[Range[200]], ok] (* Vincenzo Librandi, Sep 17 2012 *)
|
|
PROG
|
(MAGMA) [p: p in PrimesUpTo(1000) | not exists{x : x in ResidueClassRing(p) | x^3 eq 10} ]; // Vincenzo Librandi, Sep 17 2012
|
|
CROSSREFS
|
Sequence in context: A272381 A242190 A053458 * A172057 A173176 A216550
Adjacent sequences: A040055 A040056 A040057 * A040059 A040060 A040061
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
N. J. A. Sloane.
|
|
STATUS
|
approved
|
|
|
|