id:A054369 - OEIS Search Results

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Number of unlabeled 7-ary cacti having n polygons.

+0
1

1, 1, 7, 28, 231, 2100, 23884, 285390, 3626295, 47813815, 650367788 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	`Miklos Bona, Michel Bousquet, Gilbert Labelle, Pierre Leroux, Enumeration of m-ary cacti, Advances in Applied Mathematics, 24 (2000), 22-56.`
	LINKS	`Index entries for sequences related to cacti` `Bona-Bousquet-Labelle-Leroux paper.` `Bona-Bousquet-Labelle-Leroux paper (dvi)`
	CROSSREFS	`Sequence in context: A001554 A026664 A058822 this_sequence A050548 A140447 A038934` `Adjacent sequences: A054366 A054367 A054368 this_sequence A054370 A054371 A054372`
	KEYWORD	`nonn`
	AUTHOR	`Simon Plouffe (simon.plouffe(AT)gmail.com)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.