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 A126771 #9 Aug 11 2014 22:45:29
%S A126771 43331,102701,110359,124367,142993,149629,156157,189067,191353,195599,
%T A126771 203057,204173,220063,227303,231719,233777,243709,256219,268343,
%U A126771 269791,296377,308153,311473,323273,329803,343831,361577,390893,402631,404713
%N A126771 Primes p such that q-p = 60, where q is the next prime after p.
%H A126771 M. F. Hasler, <a href="/A126771/b126771.txt">Table of n, a(n) for n = 1..28439</a> (all terms < 10^8).
%H A126771 <a href="/index/Pri#gaps">Index entries for primes, gaps between</a>
%t A126771 a = {}; Do[If[Prime[x + 1] - Prime[x] == 60, AppendTo[a, Prime[x]]], {x, 1, 10000}]; a
%o A126771 (PARI) g=60;c=o=0;forprime(p=1,default(primelimit),(-o+o=p)==g&write("c:/temp/b126771.txt",c++" "p-g))
%K A126771 nonn
%O A126771 1,1
%A A126771 _Rémi Eismann_, Feb 17 2007