This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A216738 #6 Sep 20 2012 01:03:29 %S A216738 5,7,13,23,29,31,37,43,47,53,61,71,79,101,103,109,113,127,149,151,157, %T A216738 167,173,181,191,197,199,211,223,229,239,263,269,271,277,281,293,311, %U A216738 317,337,349,359,367,373,379,383,389,397,421,431,439,449,461,463,479,487,491 %N A216738 Primes p such that x^14 = -2 has no solution mod p. %C A216738 Complement of A051076 relative to A000040. %H A216738 Vincenzo Librandi, <a href="/A216738/b216738.txt">Table of n, a(n) for n = 1..1000</a> %t A216738 ok[p_] := Reduce[Mod[x^14 + 2, p] == 0, x, Integers] == False; Select[Prime[Range[100]], ok] %Y A216738 Cf. A000040, A051076. %K A216738 nonn,easy %O A216738 1,1 %A A216738 _Vincenzo Librandi_, Sep 15 2012