A123457 Number of snap perfect graphs on n nodes.

1, 2, 4, 11, 33, 147, 896, 8677, 130114, 2951360

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: A123905 A123442 A123405 * A123455 A123447 A123461

Adjacent sequences: A123454 A123455 A123456 * A123458 A123459 A123460

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 18 2006

Status

approved