A123413 Number of claw-free Berge perfect graphs on n nodes.

1, 2, 4, 10, 25, 80, 262, 1003, 4044, 17983, 87516, 506509, 3820831, 41827385

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