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Number of 2-connected claw-free graphs on n nodes.
1

%I #16 Jun 13 2021 03:19:04

%S 0,0,1,3,8,32,126,619,3332,20910,157721,1590330,23074092,487448150,

%T 14466253437,585505737038

%N Number of 2-connected claw-free graphs on n nodes.

%H R. Faudree, E. Flandrin and Z. Ryjacek, <a href="https://doi.org/10.1016/S0012-365X(96)00045-3">Claw-free graphs - a survey</a>, Discr. Math., 164 (1997), 87-147.

%H F. Hüffner, <a href="https://github.com/falk-hueffner/tinygraph">tinygraph</a>, software for generating integer sequences based on graph properties, version e8699da.

%Y Cf. A022562, A022564.

%K nonn,more

%O 1,4

%A _N. J. A. Sloane_.

%E a(12) corrected using tinygraph by _Falk Hüffner_, Jan 18 2016

%E a(13)-a(16) from _Brendan McKay_, Jun 13 2021