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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
0, 0, 0, 0, 0, 0, 6, 34, 206 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

COMMENTS

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.

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Sequence in context: A218990 A087413 A059228 * A231058 A218893 A063090

Adjacent sequences:  A079565 A079566 A079567 * A079569 A079570 A079571

KEYWORD

more,nonn

AUTHOR

Jim Nastos, Jan 24 2003

STATUS

approved

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Last modified April 17 03:33 EDT 2014. Contains 240628 sequences.