id:A086366 - OEIS Search Results

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Number of labeled n-node digraphs in which every node belongs to a directed cycle.

+0
1

0, 1, 18, 1699, 587940, 750744901, 3556390155318, 63740128872703879, 4405426607409460017480, 1190852520892329350092354441, 1270598627613805616203391468226138 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Valery Liskovets, Labeled digraphs in which every node belongs to a directed cycle`
	CROSSREFS	`Cf. A003030, A086193.` `Sequence in context: A033518 A064564 A003030 this_sequence A086193 A064347 A067303` `Adjacent sequences: A086363 A086364 A086365 this_sequence A086367 A086368 A086369`
	KEYWORD	`nonn`
	AUTHOR	`Valery Liskovets (liskov(AT)im.bas-net.by) and Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 04 2003`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

AT&T Labs Research