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 A216768 #6 Sep 08 2022 08:46:03
%S A216768 5,7,13,23,29,31,37,47,53,61,71,79,101,103,109,127,139,149,151,157,
%T A216768 167,173,181,191,197,199,223,229,239,263,269,271,277,293,311,317,349,
%U A216768 359,367,373,383,389,397,421,431,439,461,463,479,487
%N A216768 Primes p such that x^46 = -2 has no solution mod p.
%C A216768 Complement of A051092 relative to A000040.
%H A216768 Vincenzo Librandi, <a href="/A216768/b216768.txt">Table of n, a(n) for n = 1..1000</a>
%t A216768 ok[p_]:=Reduce[Mod[x^46 + 2, p] == 0, x, Integers] == False;Select[Prime[Range[200]], ok]
%o A216768 (Magma) [p: p in PrimesUpTo(500) | not exists{x : x in ResidueClassRing(p) | x^46 eq -2} ];
%Y A216768 A000040, A051092.
%K A216768 nonn,easy
%O A216768 1,1
%A A216768 _Vincenzo Librandi_, Sep 16 2012