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 A045312 #14 Jun 26 2022 23:55:13
%S A045312 2,3,5,13,17,19,23,31,37,41,47,59,61,73,79,83,89,97,101,103,107,131,
%T A045312 139,149,157,163,167,173,181,191,199,223,227,229,233,241,251,257,269,
%U A045312 271,283,293,307,311,313,317,331,349,353,359,367,373,383,397,401,409
%N A045312 Primes congruent to {2, 3, 5, 6} (mod 7).
%H A045312 Vincenzo Librandi, <a href="/A045312/b045312.txt">Table of n, a(n) for n = 1..6000</a>
%t A045312 Select[Prime[Range[120]], MemberQ[{2, 3, 5, 6}, Mod[#, 7]] &] (* _Vladimir Joseph Stephan Orlovsky_, Feb 18 2012 *)
%K A045312 nonn
%O A045312 1,1
%A A045312 _N. J. A. Sloane_