login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A079572 Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a paw, where the paw is the graph on 4 vertices, 3 of which form a triangle and the 4th vertex is adjacent to exactly one of those 3. 0

%I #8 Jan 14 2016 11:51:52

%S 1,1,2,5,10,26,70,284,1405,9868,90892,1144131,19425146,445781177

%N Number of unlabeled, connected graphs on n vertices with no induced subgraph isomorphic to a paw, where the paw is the graph on 4 vertices, 3 of which form a triangle and the 4th vertex is adjacent to exactly one of those 3.

%H F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version 39d0919.

%K more,nonn

%O 1,3

%A _Jim Nastos_, Jan 24 2003

%E Terms a(10)-a(14) added using tinygraph by _Falk Hüffner_, Jan 13 2016

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 07:48 EDT 2024. Contains 371235 sequences. (Running on oeis4.)