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A054364 Number of unlabeled asymmetric 5-ary cacti having n polygons. 0
1, 1, 0, 10, 60, 505, 3876, 33125, 290700, 2661100, 25049020, 241724375, 2379812100 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..12.

Miklos Bona, Michel Bousquet, Gilbert Labelle, Pierre Leroux, Enumeration of m-ary cacti, Advances in Applied Mathematics, 24 (2000), 22-56 (pdf, dvi).

Index entries for sequences related to cacti

CROSSREFS

Sequence in context: A250575 A155633 A002493 * A004309 A281863 A219368

Adjacent sequences:  A054361 A054362 A054363 * A054365 A054366 A054367

KEYWORD

nonn

AUTHOR

Simon Plouffe

STATUS

approved

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Last modified January 18 20:14 EST 2018. Contains 297865 sequences.