A123419 Number of degenerate Berge perfect graphs on n nodes.

1, 2, 4, 11, 33, 148, 906, 8884, 136682, 3265152

Offset

1,2

Links

Table of n, a(n) for n=1..10.

S. Hougardy, Home Page

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

Crossrefs

Sequence in context: A123452 A123436 A123417 * A123451 A123470 A123450

Adjacent sequences: A123416 A123417 A123418 * A123420 A123421 A123422

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 18 2006

Status

approved