A123452 Number of Raspail perfect graphs on n nodes.

1, 2, 4, 11, 33, 148, 901, 8690, 127853, 2803340

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: A123460 A123454 A123433 * A123436 A123417 A123419

Adjacent sequences: A123449 A123450 A123451 * A123453 A123454 A123455

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 18 2006

Status

approved