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 A216738 Primes p such that x^14 = -2 has no solution mod p. 2
 5, 7, 13, 23, 29, 31, 37, 43, 47, 53, 61, 71, 79, 101, 103, 109, 113, 127, 149, 151, 157, 167, 173, 181, 191, 197, 199, 211, 223, 229, 239, 263, 269, 271, 277, 281, 293, 311, 317, 337, 349, 359, 367, 373, 379, 383, 389, 397, 421, 431, 439, 449, 461, 463, 479, 487, 491 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Complement of A051076 relative to A000040. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA ok[p_] := Reduce[Mod[x^14 + 2, p] == 0, x, Integers] == False; Select[Prime[Range[100]], ok] CROSSREFS Cf. A000040, A051076. Sequence in context: A207079 A167798 A165815 * A216774 A216742 A216744 Adjacent sequences:  A216735 A216736 A216737 * A216739 A216740 A216741 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Sep 15 2012 STATUS approved

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Last modified May 25 10:05 EDT 2022. Contains 354066 sequences. (Running on oeis4.)