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 A215380 #7 Sep 08 2022 08:46:03
%S A215380 2,3,17,19,37,53,71,103,137,139,173,223,239,241,257,307,359,409,443,
%T A215380 461,479,547,563,613,631,647,683,733,751,853,887,919,937,953,971,1021,
%U A215380 1039,1091,1123,1193,1259,1277,1327,1361,1429,1447,1481,1499,1531,1549
%N A215380 Primes congruent to {0, 1, 2, 3} mod 17.
%H A215380 Vincenzo Librandi, <a href="/A215380/b215380.txt">Table of n, a(n) for n = 1..1000</a>
%t A215380 Select[Prime[Range[300]],MemberQ[{0,1, 2,3},Mod[#,17]]&]
%o A215380 (Magma) [p: p in PrimesUpTo(2000) | p mod 17 in [0..3]];
%Y A215380 Cf. A000040, A042986, A045332.
%K A215380 nonn,easy
%O A215380 1,1
%A A215380 _Vincenzo Librandi_, Aug 09 2012