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%I A122739 #9 Jul 26 2019 08:04:06
%S A122739 1,1,6,24,109,477,2155,9647,43621,197767,901436,4125636,18964119
%N A122739 Numbers of perifusenes with one internal vertex (see Cyvin et al. for precise definition).
%H A122739 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 A122739 a(n) = A038380(n) for n >= 3. - _Georg Fischer_, Nov 02 2018
%Y A122739 Cf. A038380.
%K A122739 nonn
%O A122739 3,3
%A A122739 _N. J. A. Sloane_, Sep 24 2006

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