A123433 - OEIS

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A123433

Number of locally perfect perfect graphs on n nodes.

0

1, 2, 4, 11, 33, 148, 901, 8664, 126954, 2769696

(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: A123446 A123460 A123454 * A123452 A123436 A123417

Adjacent sequences: A123430 A123431 A123432 * A123434 A123435 A123436

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Oct 18 2006

STATUS

approved