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A121327 Number of fused bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition). 0

%I #3 Mar 30 2012 16:50:30

%S 0,1,4,17,56,187,586,1827,5562,16811,50225,149135,439818,1290975,

%T 3772259,10983684,31878940,92278466,266481212,767972142,2209210615,

%U 6345086203

%N Number of fused bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).

%D Camden A. Parks and James B. Hendrickson, Enumeration of monocyclic and bicyclic carbon skeletons, J. Chem. Inf. Comput. Sci., vol. 31, 334-339 (1991).

%K nonn

%O 4,3

%A _N. J. A. Sloane_, Aug 27 2006

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Last modified July 20 22:04 EDT 2024. Contains 374461 sequences. (Running on oeis4.)