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 A216775 #7 Sep 08 2022 08:46:03
%S A216775 5,7,11,13,17,19,23,29,31,37,41,47,53,61,67,71,73,79,97,101,103,109,
%T A216775 127,131,137,139,149,151,157,163,167,173,181,191,193,197,199,211,223,
%U A216775 229,239,241,263,269,271,277,281,293,311,313,317,331,337,349,359,367
%N A216775 Primes p such that x^60 = -2 has no solution mod p.
%C A216775 Complement of A051099 relative to A000040.
%H A216775 Vincenzo Librandi, <a href="/A216775/b216775.txt">Table of n, a(n) for n = 1..1000</a>
%t A216775 ok[p_] := Reduce[Mod[x^60 + 2, p] == 0, x, Integers] == False;Select[Prime[Range[200]], ok]
%o A216775 (Magma) [p: p in PrimesUpTo(500) | not exists{x: x in ResidueClassRing(p) | x^60 eq -2}];
%Y A216775 Cf. A000040, A051099.
%K A216775 nonn,easy
%O A216775 1,1
%A A216775 _Vincenzo Librandi_, Sep 16 2012