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A121329 Number of bridged bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition). +0
1
0, 1, 5, 23, 88, 313, 1054, 3431, 10880, 33867, 103836, 314757, 945067, 2816287, 8339029, 24562712, 72025232, 210399896, 612602926, 1778618989, 5589730484 (list; graph; listen)
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

Adjacent sequences: A121326 A121327 A121328 this_sequence A121330 A121331 A121332

Sequence in context: A139209 A113946 A034447 this_sequence A028894 A140529 A055489

KEYWORD

nonn

AUTHOR

njas, Aug 27 2006

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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