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A123457 Number of snap perfect graphs on n nodes. 1
1, 2, 4, 11, 33, 147, 896, 8677, 130114, 2951360 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.

LINKS

Table of n, a(n) for n=1..10.

S. Hougardy, Home Page

CROSSREFS

Sequence in context: A123905 A123442 A123405 * A123455 A123447 A123461

Adjacent sequences:  A123454 A123455 A123456 * A123458 A123459 A123460

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 18 2006

STATUS

approved

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Last modified July 21 02:23 EDT 2017. Contains 289629 sequences.