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 A045349 #13 Jun 26 2022 23:09:58
%S A045349 2,5,7,11,17,31,37,41,47,61,67,71,97,101,107,127,131,137,151,157,167,
%T A045349 181,191,197,211,227,241,251,257,271,277,281,307,311,317,331,337,347,
%U A045349 367,397,401,421,431,457,461,467
%N A045349 Primes congruent to {0, 1, 2} mod 5.
%C A045349 Beyond the second entry, sequence corresponds to primes ending in 1 or 7. - _Lekraj Beedassy_, Jan 14 2007
%H A045349 Vincenzo Librandi, <a href="/A045349/b045349.txt">Table of n, a(n) for n = 1..1000</a>
%t A045349 Select[Prime[Range[300]],MemberQ[{0,1, 2},Mod[#,5]]&] (* _Vincenzo Librandi_, Aug 10 2012 *)
%o A045349 (Magma) [p: p in PrimesUpTo(400) | p mod 5 in [0..2]]; // _Vincenzo Librandi_, Aug 10 2012
%Y A045349 Cf. A000040.
%K A045349 nonn,easy
%O A045349 1,1
%A A045349 _N. J. A. Sloane_