id:A079575 - OEIS Search Results

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Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a bull, where a bull is formed by adding a 5th vertex to a 4-path adjacent only to the middle two vertices on the path.

+0
1

1, 1, 2, 6, 20, 93, 480, 2960, 19475 (list; graph; listen)

	OFFSET	`1,3`
	REFERENCES	`C. De Simone and A. Sassano, "Stability number of bull- and chair-free graphs," Discrete Appl. Math. 41 (1993) 121-129`
	CROSSREFS	`Sequence in context: A000421 A009244 A104985 this_sequence A078564 A079576 A079570` `Adjacent sequences: A079572 A079573 A079574 this_sequence A079576 A079577 A079578`
	KEYWORD	`more,nonn`
	AUTHOR	`Jim Nastos (nastos(AT)gmail.com), Jan 24 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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