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 A040044 #13 Jul 08 2025 22:43:16
%S A040044 2,3,5,11,13,17,23,29,41,47,53,59,67,71,83,89,101,107,113,127,131,137,
%T A040044 149,163,167,173,179,181,191,197,199,211,227,233,239,241,251,257,263,
%U A040044 269,281,293,311,313,317,337,347
%N A040044 Primes p such that x^3 = 5 has a solution mod p.
%C A040044 Complement of A040045 relative to A000040. - _Vincenzo Librandi_, Sep 13 2012
%H A040044 Vincenzo Librandi, <a href="/A040044/b040044.txt">Table of n, a(n) for n = 1..1000</a>
%t A040044 ok [p_]:=Reduce[Mod[x^3 - 5, p] == 0, x, Integers] =!= False; Select[Prime[Range[200]], ok] (* _Vincenzo Librandi_, Sep 11 2012 *)
%o A040044 (Magma) [p: p in PrimesUpTo(450) | exists(t){x : x in ResidueClassRing(p) | x^3 eq 5}]; // _Vincenzo Librandi_, Sep 11 2012
%Y A040044 Cf. A000040, A040045.
%K A040044 nonn,easy
%O A040044 1,1
%A A040044 _N. J. A. Sloane_