id:A054953 - OEIS Search Results

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

+0
1

1, 1, 5, 83, 5048, 1047013, 705422455, 1580348377261, 12139024826336632, 328160951350054991463, 31831080872414173375174213 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.`
	CROSSREFS	`Sequence in context: A142162 A082546 A035512 this_sequence A111834 A006471 A061628` `Adjacent sequences: A054950 A054951 A054952 this_sequence A054954 A054955 A054956`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 24 2000`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Mar 11 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.