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