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 A151987 #10 Jun 09 2016 21:15:38 %S A151987 1,1,3,13,64,404,2135,21077,111459,1261637,10767866,111804384, %T A151987 659105457,18705101130 %N A151987 Number of legal starting configurations in the glass worms (or vers de verres) game with n glasses. %C A151987 Suggested by a question from Eric Angelini. %C A151987 See the Sequence Fans Mailing List link and also the Angelini link for further information. %C A151987 It is conjectured that a(n)~(n+1)^(n+1)/exp(n). [From _Dennis Hou_, May 05 2010] %H A151987 Eric Angelini, <a href="http://www.cetteadressecomportecinquantesignes.com/GlassWorms.htm">Vers de verres (Glass worms)</a> %H A151987 E. Angelini, <a href="/A151986/a151986.pdf">Vers de verres (Glass worms)</a> [Cached copy, with permission] %H A151987 Sequence Fans Mailing List, <a href="/A151986/a151986.txt">Discussion about Glass Worms</a> %Y A151987 Cf. A151986. %K A151987 nonn,more %O A151987 0,3 %A A151987 _Jacques Tramu_, Mar 09 2009 %E A151987 Offset corrected by Joseph Myers, Sep 07 2009 %E A151987 a(9) to a(13) from _Joseph Myers_, Sep 08 2009