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 A133427 #7 Apr 07 2015 11:04:47 %S A133427 4,6,12,30,124,418,1274,2512,3526,4618,7432,12778,26098,34192,37768, %T A133427 59914,88786,97768,112558,221942,237544,485326,642358,686638,1042078, %U A133427 1172918,2041402,2406448,4288574,4938848,9292156,14341888,17726098,20757292,32507242 %N A133427 Records in A025017. %H A133427 N. J. A. Sloane, <a href="/A133427/b133427.txt">Table of n, a(n) for n=1..123</a> (from the web page of Tomás Oliveira e Silva) %H A133427 Tomás Oliveira e Silva, <a href="http://sweet.ua.pt/tos/goldbach.html">Goldbach conjecture verification</a> %H A133427 <a href="/index/Go#Goldbach">Index entries for sequences related to Goldbach conjecture</a> %K A133427 nonn %O A133427 1,1 %A A133427 _N. J. A. Sloane_, Nov 28 2007