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A079568 Number of unlabeled, connected graphs on n nodes which have no induced subgraph isomorphic to a P5, P5-bar or C5 and are not bipartite nor cobipartite nor split and are primes. +0
1
0, 0, 0, 0, 0, 0, 6, 34, 206 (list; graph; listen)
OFFSET

1,7

COMMENT

P5 = path on five nodes. P5-bar = complement of P5. C5 = cycle on five nodes. Cobipartite means having a bipartite complement. G prime if G has no module (homogeneous set.) G split iff G and the complement of G are chordal.

CROSSREFS

Sequence in context: A126501 A087413 A059228 this_sequence A063090 A108432 A125759

Adjacent sequences: A079565 A079566 A079567 this_sequence A079569 A079570 A079571

KEYWORD

more,nonn

AUTHOR

Jim Nastos (nastos(AT)gmail.com), Jan 24 2003

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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