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 A045337 #10 Jun 26 2022 23:52:33
%S A045337 2,3,11,17,23,29,31,37,43,53,59,67,71,73,79,101,107,109,113,127,137,
%T A045337 149,151,157,163,179,191,193,197,199,211,227,233,239,241,263,269,277,
%U A045337 281,283,311,317,331,337,347,353
%N A045337 Primes congruent to {1, 2, 3, 4} (mod 7).
%H A045337 Vincenzo Librandi, <a href="/A045337/b045337.txt">Table of n, a(n) for n = 1..1000</a>
%t A045337 Select[Prime[Range[600]],MemberQ[{1,2,3,4},Mod[#,7]]&] (* _Vincenzo Librandi_, Aug 08 2012 *)
%o A045337 (Magma) [p: p in PrimesUpTo(400) | p mod 7 in [1, 2, 3, 4]]; // _Vincenzo Librandi_, Aug 08 2012
%Y A045337 Cf. A000040, A045319.
%K A045337 nonn,easy
%O A045337 1,1
%A A045337 _N. J. A. Sloane_