%I A054363
%S A054363 1,1,5,15,85,510,4051,33130,291925,2661255,25059670,241724380,
%T A054363 2379912355
%N A054363 Number of unlabeled 5-ary cacti having n polygons.
%H A054363 Miklos Bona, Michel Bousquet, Gilbert Labelle and Pierre Leroux, Enumeration 
               of m-ary cacti, Advances in Applied Mathematics, 24 (2000), 22-56 
               (<a href="http://www.lacim.uqam.ca/~leroux/articles/cactus.pdf">pdf</
               a>, <a href="http://www.math.ufl.edu/~bona/cactusJCTA.dvi">dvi</a>
               ).
%H A054363 <a href="Sindx_Ca.html#cacti">Index entries for sequences related to 
               cacti</a>
%Y A054363 Sequence in context: A165470 A165625 A058820 this_sequence A134135 A121869 
               A118412
%Y A054363 Adjacent sequences: A054360 A054361 A054362 this_sequence A054364 A054365 
               A054366
%K A054363 nonn
%O A054363 0,3
%A A054363 Simon Plouffe (simon.plouffe(AT)gmail.com)