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 A151986 #17 Jun 09 2016 21:13:25 %S A151986 1,2,4,7,10,13,20,22,42,43,64,65,146,147,203,239,412,413,414,415 %N A151986 Maximal number of moves in the glass worms (or vers de verres) game with n glasses before detecting a cycle. %C A151986 Suggested by a question from Eric Angelini. %C A151986 See the Sequence Fans Mailing List link and also the Angelini link for further information. %H A151986 Eric Angelini, <a href="http://www.cetteadressecomportecinquantesignes.com/GlassWorms.htm">Vers de verres (Glass worms)</a> %H A151986 E. Angelini, <a href="/A151986/a151986.pdf">Vers de verres (Glass worms)</a> [Cached copy, with permission] %H A151986 Sequence Fans Mailing List, <a href="/A151986/a151986.txt">Discussion about Glass Worms</a> %Y A151986 Cf. A151987. %K A151986 nonn,more %O A151986 1,2 %A A151986 _Jacques Tramu_, Mar 09 2009 %E A151986 a(11) corrected by _Joseph Myers_, Sep 07 2009 %E A151986 Edited and terms a(12) to a(20) from Sep 2009 discussion added by _Joseph Myers_, Nov 12 2010