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 A126722 #11 Dec 21 2018 19:48:37 %S A126722 542603,618719,815729,1013063,1052333,1060781,1082801,1102583,1122287, %T A126722 1146581,1195589,1223777,1243013,1251329,1298387,1352669,1401857, %U A126722 1471937,1496837,1562753,1593947,1729961,1829309,1832711,1987709 %N A126722 Primes p such that q-p = 80, where q is the next prime after p. %H A126722 Remi Eismann, <a href="/A126722/b126722.txt">Table of n, a(n) for n = 1..10000</a> %H A126722 <a href="/index/Pri#gaps">Index entries for primes, gaps between</a> %t A126722 Select[Partition[Prime[Range[150000]],2,1],#[[2]]-#[[1]]==80&][[All,1]] (* _Harvey P. Dale_, Dec 21 2018 *) %K A126722 nonn %O A126722 1,1 %A A126722 _Rémi Eismann_, Feb 13 2007