id:A123428 - OEIS Search Results

Search: id:A123428

Displaying 1-1 of 1 results found.

page 1

Number of interval perfect graphs on n nodes.

+0
1

1, 2, 4, 10, 27, 92, 369, 1807, 10344, 67659 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Is this the same as A005975? - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 18 2008`
	REFERENCES	`S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.`
	LINKS	`S. Hougardy, Home Page`
	CROSSREFS	`Sequence in context: A148108 A057786 A007776 this_sequence A005975 A048193 A123411` `Adjacent sequences: A123425 A123426 A123427 this_sequence A123429 A123430 A123431`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2006`

page 1

Search completed in 0.002 seconds

Last modified November 27 14:50 EST 2009. Contains 167570 sequences.