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A079456
Number of unlabeled and connected graphs which are complements of chordal graphs.
1
1, 1, 2, 6, 17, 67, 299, 1726, 12405, 112234, 1265629, 17716712, 306896676, 6579771024
OFFSET
1,3
COMMENTS
Usually referred to as "cochordal" graphs. G is cochordal if it contains no induced complement of a cycle of size 4 or more.
LINKS
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version e8699da.
CROSSREFS
Sequence in context: A150039 A150040 A346043 * A264761 A253882 A327698
KEYWORD
more,nonn
AUTHOR
Jim Nastos, Jan 13 2003
EXTENSIONS
a(10)-a(14) added using tinygraph by Falk Hüffner, Jan 16 2016
STATUS
approved