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 A045395 #14 Sep 08 2022 08:44:56
%S A045395 3,5,7,11,13,19,23,29,31,37,43,47,53,59,61,67,71,79,83,101,103,107,
%T A045395 109,127,131,139,149,151,157,163,167,173,179,181,191,197,199,211,223,
%U A045395 227,229,239,251,263,269,271,277
%N A045395 Primes congruent to {3, 5, 7} mod 8.
%H A045395 Ray Chandler, <a href="/A045395/b045395.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from Vincenzo Librandi)
%t A045395 Select[Prime[Range[300]],MemberQ[{3,5,7},Mod[#,8]]&] (* _Vincenzo Librandi_, Aug 11 2012 *)
%o A045395 (Magma) [p: p in PrimesUpTo(400) | p mod 8 in [3, 5, 7]]; // _Vincenzo Librandi_, Aug 11 2012
%Y A045395 Cf. A000040.
%K A045395 nonn,easy
%O A045395 1,1
%A A045395 _N. J. A. Sloane_