id:A053468 - OEIS Search Results

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Number of directed 3-multigraphs on n nodes.

+0
3

1, 10, 720, 703760, 9168331776, 1601371799340544, 3837878966366932639744, 128777257564337108286016980992, 61454877497308462618188532330410573824, 422314689395950135433730499958070655419345928192 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A000273.` `Sequence in context: A058174 A006435 A108603 this_sequence A008272 A015509 A117257` `Adjacent sequences: A053465 A053466 A053467 this_sequence A053469 A053470 A053471`
	KEYWORD	`easy,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)Eunet.yu), Jan 13 2000`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research