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A323923 Branched catafusenes (cata-condensed benzenoids) without helicenes. 7

%I

%S 0,1,7,44,206,937,3997,16719,68520

%N Branched catafusenes (cata-condensed benzenoids) without helicenes.

%D Balaban, A. T., Brunvoll, J., Cyvin, B. N., & Cyvin, S. J. (1988). Enumeration of branched catacondensed benzenoid hydrocarbons and their numbers of Kekulé structures. Tetrahedron, 44(1), 221-228. See Table 2.

%K nonn,more

%O 4,3

%A _N. J. A. Sloane_, Feb 09 2019

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Last modified October 20 10:43 EDT 2021. Contains 348100 sequences. (Running on oeis4.)