A123462 Number of 3-overlap bipartite perfect graphs on n nodes.

1, 2, 4, 11, 33, 134, 492, 1634, 5127, 16624

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: A302547 A123444 A123473 * A123463 A123468 A123415

Adjacent sequences: A123459 A123460 A123461 * A123463 A123464 A123465

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 18 2006

Status

approved