id:A054943 - OEIS Search Results

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Number of connected oriented graphs on n nodes with an odd number of edges.

+0
1

0, 2, 8, 320, 27584, 6991360, 5179178368, 11396324458496, 74944172892993536, 1476405354971707604992, 87208352627656970712229888, 15450530398306943408625302896640, 8211400756816955708062672318337859584 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.`
	CROSSREFS	`Sequence in context: A013086 A012536 A012541 this_sequence A013135 A012999 A013003` `Adjacent sequences: A054940 A054941 A054942 this_sequence A054944 A054945 A054946`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas, May 24 2000`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)Eunet.yu), Mar 11 2003`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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