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A079452 Number of unlabeled and connected graphs on n vertices which are chordal and P5-free. 0

%I #9 Jan 15 2016 11:27:58

%S 1,1,2,5,14,49,188,838,4182,23706,153622,1167627,10779405,126598717,

%T 1980053453

%N Number of unlabeled and connected graphs on n vertices which are chordal and P5-free.

%C Also characterized by being (C4, C5, P5)-free.

%H F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version 6e0a59d.

%K more,nonn

%O 1,3

%A _Jim Nastos_, Jan 13 2003

%E Corrected by _Jim Nastos_, Jan 20 2003

%E a(10)-a(15) added using tinygraph by _Falk Hüffner_, Jan 15 2016

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Last modified April 20 11:27 EDT 2024. Contains 371838 sequences. (Running on oeis4.)