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A079569
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Number of unlabeled, connected graphs on n vertices which have no induced subgraph isomorphic to a P5 and are chordal and prime.
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0
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OFFSET
| 1,6
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COMMENTS
| P5 = path on five vertices. G chordal iff every cycle of size 4 or more has a chord. G prime if it has no module (homogeneous set.)
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REFERENCES
| A. Brandstadt, F. Dragan, H.O. Le, R. Mosca, "New Graph Classes of Bounded Clique-Width," manuscript, 2002.
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CROSSREFS
| Sequence in context: A149629 A149630 A149631 * A149632 A149633 A149634
Adjacent sequences: A079566 A079567 A079568 * A079570 A079571 A079572
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KEYWORD
| more,nonn
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AUTHOR
| Jim Nastos (nastos(AT)gmail.com), Jan 24 2003
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