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 A216777 #7 Sep 08 2022 08:46:03
%S A216777 5,7,13,17,23,29,31,37,41,47,53,61,71,73,79,89,97,101,103,109,113,127,
%T A216777 137,149,151,157,167,173,181,191,193,197,199,223,229,233,239,241,257,
%U A216777 263,269,271,277,293,311,313,317,337,349,353,359,367,373,383,389
%N A216777 Primes p such that x^64 = -2 has no solution mod p.
%C A216777 Complement of A051101 relative to A000040.
%H A216777 Vincenzo Librandi, <a href="/A216777/b216777.txt">Table of n, a(n) for n = 1..1000</a>
%t A216777 ok[p_]:=Reduce[Mod[x^64 + 2, p] == 0, x, Integers] == False;Select[Prime[Range[220]], ok]
%o A216777 (Magma) [p: p in PrimesUpTo(700) | not exists{x : x in ResidueClassRing(p) | x^64 eq -2} ];
%Y A216777 Cf. A000040, A051101.
%K A216777 nonn,easy
%O A216777 1,1
%A A216777 _Vincenzo Librandi_, Sep 16 2012