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A045904 Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition). 3

%I

%S 0,0,0,1,5,31,160,825,4074,19902,95920

%N Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition).

%D B. N. Cyvin et al., A class of polygonal systems representing polycyclic conjugated hydrocarbons ..., Monat. f. Chemie, 125 (1994), 1327-1337 (see Table 1).

%D S. J. Cyvin et al., Enumeration and classification of certain polygonal systems... : annelated catafusenes, J. Chem. Inform. Comput. Sci., 34 (1994), 1174-1180.

%Y 3rd column of A121178.

%K nonn

%O 0,5

%A _N. J. A. Sloane_

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Last modified October 16 17:39 EDT 2021. Contains 348042 sequences. (Running on oeis4.)