id:A054913 - OEIS Search Results

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Number of labeled connected graphs with n nodes such that complement is also connected.

+0
1

1, 0, 0, 12, 432, 20640, 1635360, 234661728, 63873105408, 33808605100800, 35254518078942720, 72922216118695037952, 300312950395670884227072, 2467417543490126920783534080, 40490542668157619621325008117760 (list; graph; listen)

	OFFSET	`1,4`
	LINKS	`V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.`
	FORMULA	`2*A001187(n)-A006125(n).`
	CROSSREFS	`Sequence in context: A123778 A129006 A067429 this_sequence A070285 A041617 A159534` `Adjacent sequences: A054910 A054911 A054912 this_sequence A054914 A054915 A054916`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 23 2000`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 19 2000`

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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