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 A216747 #10 Sep 08 2022 08:46:03
%S A216747 5,7,13,17,23,29,31,37,41,47,53,61,71,73,79,89,97,101,103,109,113,127,
%T A216747 137,149,151,157,167,173,181,191,193,197,199,223,229,233,239,241,257,
%U A216747 263,269,271,277,293,311,313,317,337,349,353,359,367,373,383,389,397
%N A216747 Primes p such that x^32 = -2 has no solution mod p.
%C A216747 Complement of A051085 relative to A000040.
%H A216747 Vincenzo Librandi, <a href="/A216747/b216747.txt">Table of n, a(n) for n = 1..1000</a>
%t A216747 ok[p_]:=Reduce[Mod[x^32 + 2, p] == 0, x, Integers] == False;Select[Prime[Range[200]], ok]
%o A216747 (Magma) [ p: p in PrimesUpTo(400) | not exists{x : x in ResidueClassRing(p) | x^32 eq -2} ]; //
%Y A216747 Cf. A000040, A051085, A059349.
%K A216747 nonn,easy
%O A216747 1,1
%A A216747 _Vincenzo Librandi_, Sep 16 2012
%E A216747 Definition corrected by _Georg Fischer_, Feb 28 2021