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A121332
Number of bridged bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).
5
0, 1, 5, 20, 71, 235, 753, 2345, 7190, 21753, 65188, 193834, 527743, 1683615, 4927394, 14367845, 41761634, 121052806, 350049108, 1010123293, 2909478000
OFFSET
5,3
REFERENCES
Camden A. Parks and James B. Hendrickson, Enumeration of monocyclic and bicyclic carbon skeletons, J. Chem. Inf. Comput. Sci., vol. 31, 334-339 (1991).
CROSSREFS
Sequence in context: A369818 A036683 A054444 * A122695 A269914 A066822
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 27 2006
STATUS
approved