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A078566
Number of (simple, undirected, unlabeled, connected) graphs with n vertices which contain no induced subgraph isomorphic to a C5 (the cycle on 5 vertices).
0
1, 1, 2, 6, 20, 105, 726, 7827, 127611, 3166349, 115369643, 5981665266
OFFSET
1,3
CROSSREFS
Sequence in context: A321911 A079455 A052433 * A076323 A241782 A268562
KEYWORD
more,nonn
AUTHOR
Jim Nastos, Jan 07 2003
EXTENSIONS
Claim that this equals the same for P5 instead of C5 removed by Falk Hüffner, Nov 27 2015
More terms added using tinygraph version 231ba55 by Falk Hüffner, Jan 12 2016
STATUS
approved