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%I #13 May 04 2016 12:09:32
%S 0,0,0,1,1,6,24,109,477,2155,9647,43621,197767,901436,4125636,
%T 18964119,87508095,405289754,1883445328,8780346115,41052409755,
%U 192461618324,904573028990,4261485821599,20119936936041,95186856459869
%N Number of perifusenes with one internal vertex.
%D S. J. Cyvin et al., Number of perifusenes with one internal vertex, Rev. Roumaine Chem., 38 (1993), 65-77.
%H S. J. Cyvin, F. Zhang and J. Brunvoll, <a href="https://dx.doi.org/10.1007/BF01164209">Enumeration of perifusenes with one internal vertex: A complete mathematical solution</a>, J. Math. Chem., 11 (1992), 283-292.
%F G.f.: (2-9x+21x^2-16x^3)/2-(4-18x+17x^2)*(1-x)^(1/2)*(1-5x)^(1/2)/6-x(1-x^2)^(1/2)*(1-5x^2)^(1/2)/2-(1-x^3)^(1/2)*(1-5x^3)^(1/2)/3. - _Emeric Deutsch_, May 14 2004
%K nonn
%O 0,6
%A _N. J. A. Sloane_.
%E More terms from _Emeric Deutsch_, May 14 2004
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