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A216750 Primes p such that x^38 = -2 has no solution mod p. 2
5, 7, 13, 23, 29, 31, 37, 47, 53, 61, 71, 79, 101, 103, 109, 127, 149, 151, 157, 167, 173, 181, 191, 197, 199, 223, 229, 239, 263, 269, 271, 277, 293, 311, 317, 349, 359, 367, 373, 383, 389, 397, 419, 421, 431, 439, 457, 461, 463, 479, 487, 503, 509, 541, 557, 571, 599 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Complement of A051088 relative to A000040.
LINKS
MATHEMATICA
ok[p_]:=Reduce[Mod[x^38 + 2, p] == 0, x, Integers] == False; Select[Prime[Range[200]], ok]
PROG
(Magma) [p: p in PrimesUpTo(600) | not exists{x : x in ResidueClassRing(p) | x^38 eq -2} ];
CROSSREFS
Sequence in context: A216744 A216748 A216768 * A003628 A216776 A105874
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Sep 16 2012
STATUS
approved

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)