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A123444 Number of partner-graph triangle-free perfect graphs on n nodes. 0
1, 2, 4, 11, 33, 132, 494, 1603, 5038, 16334 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.

LINKS

S. Hougardy, Home Page

CROSSREFS

Sequence in context: A127782 A002846 A188478 * A123473 A123462 A123463

Adjacent sequences:  A123441 A123442 A123443 * A123445 A123446 A123447

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Oct 18 2006

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Last modified February 15 10:06 EST 2012. Contains 205763 sequences.