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A123447 Number of perfectly orderable perfect graphs on n nodes. 0
1, 2, 4, 11, 33, 147, 896, 8682, 131299, 3062755 (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: A123405 A123457 A123455 * A123461 A123407 A123446

Adjacent sequences:  A123444 A123445 A123446 * A123448 A123449 A123450

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 12:27 EST 2012. Contains 206011 sequences.