A123470 Number of 2-split Berge perfect graphs on n nodes.

1, 2, 4, 11, 33, 148, 906, 8887, 136750, 3268816

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: A123417 A123419 A123451 * A123450 A052431 A076316

Adjacent sequences: A123467 A123468 A123469 * A123471 A123472 A123473

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 18 2006

Status

approved