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 A216753 #8 Sep 08 2022 08:46:03
%S A216753 5,7,13,17,23,29,31,37,41,47,53,61,67,71,79,89,97,101,103,109,127,137,
%T A216753 149,151,157,167,173,181,191,193,197,199,223,229,239,241,263,269,271,
%U A216753 277,293,311,313,317,349,353,359,367,373,383,389,397,401,409,419
%N A216753 Primes p such that x^44 = -2 has no solution mod p.
%C A216753 Complement of A051091 relative to A000040.
%H A216753 Vincenzo Librandi, <a href="/A216753/b216753.txt">Table of n, a(n) for n = 1..1000</a>
%t A216753 ok[p_] := Reduce[Mod[x^44 + 2, p] == 0, x, Integers] == False;Select[Prime[Range[200]], ok]
%o A216753 (Magma) [p: p in PrimesUpTo(500) | not exists{x: x in ResidueClassRing(p) | x^44 eq -2}];
%Y A216753 Cf. A000040, A051091.
%K A216753 nonn,easy
%O A216753 1,1
%A A216753 _Vincenzo Librandi_, Sep 16 2012