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 A045343 #12 Jun 26 2022 23:08:49
%S A045343 2,3,17,23,31,37,59,73,79,101,107,149,157,163,191,199,227,233,241,269,
%T A045343 283,311,317,331,353,359,367,373,401,409,443,457,479,499,521,541,563,
%U A045343 569,577,619,647,653,661,709,751
%N A045343 Primes congruent to {2, 3} mod 7.
%H A045343 Vincenzo Librandi, <a href="/A045343/b045343.txt">Table of n, a(n) for n = 1..1000</a>
%t A045343 Select[Prime[Range[500]],MemberQ[{2,3},Mod[#,7]]&] (* _Harvey P. Dale_, Mar 12 2011 *)
%o A045343 (Magma) [ p: p in PrimesUpTo(1000) | p mod 7 in {2, 3} ]; // _Vincenzo Librandi_, Aug 07 2012
%K A045343 nonn,easy
%O A045343 1,1
%A A045343 _N. J. A. Sloane_