A123407 - OEIS

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A123407

Number of BIP* perfect graphs on n nodes.

0

1, 2, 4, 11, 33, 147, 896, 8683, 131332, 3065093

(list; graph; refs; listen; history; text; internal format)

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: A123455 A123447 A123461 * A123446 A123460 A123454

Adjacent sequences: A123404 A123405 A123406 * A123408 A123409 A123410

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 18 2006

STATUS

approved