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 A152817 #2 Mar 30 2012 18:39:49 %S A152817 1,17,41 %N A152817 Minimum length of n-fold stapled sequence. %C A152817 The minimum initial term of an n-fold stapled sequence is A152816(n). %Y A152817 Cf. A152816. %K A152817 bref,hard,more,nonn %O A152817 0,2 %A A152817 _William Rex Marshall_, Dec 13 2008