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A030534 Number of polyhexes of class PF2. 9


%S 1,2,10,40,185,828,3805,17411,80177,369639,1710137,7931011,36884730

%N Number of polyhexes of class PF2.

%C See reference for precise definition.

%D S. J. Cyvin et al., Enumeration and classification of benzenoid systems 32. Normal perifusenes with two internal vertices, J. Chem. Inform. Comput. Sci., 32 (1992), 532-540.

%Y Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, A030534.

%K nonn

%O 4,2

%A _N. J. A. Sloane_.

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Last modified October 16 15:31 EDT 2019. Contains 328101 sequences. (Running on oeis4.)