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 A045332 #13 Jun 26 2022 23:53:15
%S A045332 2,3,7,17,23,29,31,37,43,59,71,73,79,101,107,113,127,149,157,163,191,
%T A045332 197,199,211,227,233,239,241,269,281,283,311,317,331,337,353,359,367,
%U A045332 373,379,401,409,421,443,449,457
%N A045332 Primes congruent to {0, 1, 2, 3} (mod 7).
%H A045332 Vincenzo Librandi, <a href="/A045332/b045332.txt">Table of n, a(n) for n = 1..1000</a>
%t A045332 Select[Prime[Range[200]],MemberQ[{0,1,2,3},Mod[#,7]]&] (* _Harvey P. Dale_, Apr 20 2012 *)
%o A045332 (Magma) [p: p in PrimesUpTo(500) | p mod 7 in [0,1,2,3]]; // _Vincenzo Librandi_, Aug 04 2012
%K A045332 nonn
%O A045332 1,1
%A A045332 _N. J. A. Sloane_