id:A101228 - OEIS Search Results

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Number of connected acyclic digraphs on n unlabeled nodes.

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1

1, 1, 4, 24, 267, 5647, 237317, 20035307, 3404385285, 1162502511721, 796392234736238, 1093228137893084112, 3004752537725051647790 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`Cf. A003087, A082402.` `Sequence in context: A141014 A077700 A080489 this_sequence A009104 A052727 A005756` `Adjacent sequences: A101225 A101226 A101227 this_sequence A101229 A101230 A101231`
	KEYWORD	`more,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)Eunet.yu), Jan 22 2005`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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