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A216737
Primes p such that x^12 = -2 has no solution mod p.
2
5, 7, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 61, 67, 71, 73, 79, 97, 101, 103, 109, 127, 137, 139, 149, 151, 157, 163, 167, 173, 181, 191, 193, 197, 199, 211, 223, 229, 239, 241, 263, 269, 271, 277, 293, 311, 313, 317, 331, 337, 349, 359, 367, 373, 379, 383, 389, 397, 401, 409, 421, 431
OFFSET
1,1
COMMENTS
Complement of A051075 relative to A000040.
LINKS
MATHEMATICA
ok[p_] := Reduce[Mod[x^12 + 2, p] == 0, x, Integers] == False; Select[Prime[Range[100]], ok]
CROSSREFS
Sequence in context: A216769 A216743 A216749 * A078867 A038911 A038988
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Sep 15 2012
STATUS
approved