id:A054954 - OEIS Search Results

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Number of labeled semi-strong digraphs on n nodes with an even number of pairwise different components.

+0
1

0, 0, 1, 5, 88, 5141, 1052471, 706498013, 1581059448184, 12140608800384871, 328173098339746387013 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.`
	CROSSREFS	`Sequence in context: A140159 A073862 A069948 this_sequence A106971 A136618 A138700` `Adjacent sequences: A054951 A054952 A054953 this_sequence A054955 A054956 A054957`
	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.