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 A141493 #2 Mar 30 2012 18:51:58 %S A141493 1,2,4,5,7,8,16,22,23,28,29,46,74,103 %N A141493 Ordered different numbers in A141425=b(n) and differences. %C A141493 First six numbers of a(n) and b(n) are the same. %Y A141493 Cf. A103118. %K A141493 nonn,uned %O A141493 0,2 %A A141493 _Paul Curtz_, Aug 10 2008