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A123413 Number of claw-free Berge perfect graphs on n nodes. 0
1, 2, 4, 10, 25, 80, 262, 1003, 4044, 17983, 87516, 506509, 3820831, 41827385 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..14.

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

F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 6c1dbe4.

CROSSREFS

Sequence in context: A148096 A006901 A123422 * A085633 A111564 A350507

Adjacent sequences: A123410 A123411 A123412 * A123414 A123415 A123416

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 18 2006

EXTENSIONS

a(11)-a(14) added using tinygraph by Falk Hüffner, Jun 30 2018

STATUS

approved

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Last modified March 31 21:40 EDT 2023. Contains 361673 sequences. (Running on oeis4.)