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Nonisomorphic catacondensed monoheptabenzenoids (see reference for precise definition).
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%I #3 Mar 30 2012 16:50:29

%S 0,0,1,10,47,221,970,4241,18294

%N Nonisomorphic catacondensed monoheptabenzenoids (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.

%K nonn

%O 0,4

%A _N. J. A. Sloane_, Aug 11 2006