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 A215133 #7 Sep 08 2022 08:46:03
%S A215133 3,5,41,43,79,101,139,157,193,233,269,271,307,347,367,383,421,443,461,
%T A215133 499,557,613,709,727,823,839,877,937,953,991,1013,1031,1051,1069,1181,
%U A215133 1259,1279,1297,1373,1409,1447,1487,1523,1583,1601,1621,1637,1697,1753
%N A215133 Primes congruent to {3, 5, 6} mod 19.
%H A215133 Vincenzo Librandi, <a href="/A215133/b215133.txt">Table of n, a(n) for n = 1..1000</a>
%t A215133 Select[Prime[Range[800]],MemberQ[{3, 5, 6},Mod[#,19]]&]
%o A215133 (Magma) [p: p in PrimesUpTo(2000) | p mod 19 in [3, 5, 6]];
%Y A215133 Cf. A000040, A003625, A215106.
%K A215133 nonn,easy
%O A215133 1,1
%A A215133 _Vincenzo Librandi_, Aug 04 2012