id:A121063 - OEIS Search Results

Search: id:A121063

Displaying 1-1 of 1 results found.

page 1

Number of labeled directed multigraphs with n arcs for which every vertex has in-degree at least one and out-degree at least one.

+0
1

1, 0, 1, 4, 27, 246, 2783, 37424, 582153, 10276452, 202894801, 4429522252, 105943672079, 2754788353526, 77371821493913, 2334279549290960 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`G.f.: A(x/(1-x)) where A(x) is g.f. for A121933.`
	CROSSREFS	`Cf. A104209, A052170, A056078.` `Adjacent sequences: A121060 A121061 A121062 this_sequence A121064 A121065 A121066` `Sequence in context: A091121 A026005 A059391 this_sequence A051863 A000699 A138423`
	KEYWORD	`easy,more,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)Eunet.yu), Sep 06 2006`

page 1

Search completed in 0.002 seconds

Last modified October 13 17:46 EDT 2008. Contains 145008 sequences.

AT&T Labs Research