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 A042999 #16 Jun 26 2022 23:16:26
%S A042999 2,3,5,11,13,19,29,37,43,53,59,61,67,83,101,107,109,131,139,149,157,
%T A042999 163,173,179,181,197,211,227,229,251,269,277,283,293,307,317,331,347,
%U A042999 349,373,379,389,397,419,421,443
%N A042999 Primes congruent to {2, 3, 5} (mod 8).
%C A042999 Apart from the initial term the same as A003629. - _R. J. Mathar_, May 23 2008
%H A042999 Ray Chandler, <a href="/A042999/b042999.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms Vincenzo Librandi)
%t A042999 Select[Prime[Range[300]],MemberQ[{2,3,5},Mod[#,8]]&] (* _Vincenzo Librandi_, Aug 08 2012 *)
%o A042999 (Magma) [p: p in PrimesUpTo(500) | p mod 8 in [2, 3, 5]]; // _Vincenzo Librandi_, Aug 08 2012
%Y A042999 Cf. A001132 (complement).
%K A042999 nonn,easy
%O A042999 1,1
%A A042999 _N. J. A. Sloane_