A123432 Number of line perfect perfect graphs on n nodes.

1, 2, 4, 11, 26, 80, 248, 899, 3441, 15081

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: A148128 A148129 A340651 * A345216 A151398 A090899

Adjacent sequences: A123429 A123430 A123431 * A123433 A123434 A123435

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 18 2006

Status

approved