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A121331
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Number of bridged bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).
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5
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1, 2, 6, 15, 39, 99, 258, 671, 1762, 4657, 12372, 33036, 88590, 238483, 644045, 1744542, 4737341, 12894158, 35165994, 96084192, 262951511
(list; graph; refs; listen; history; internal format)
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OFFSET
| 5,2
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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).
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CROSSREFS
| Sequence in context: A101522 A094969 A001674 * A026270 A172399 A001654
Adjacent sequences: A121328 A121329 A121330 * A121332 A121333 A121334
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Aug 27 2006
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EXTENSIONS
| Corrected by Franklin T. Adams-Watters and T. D. Noe (noe(AT)sspectra.com), Oct 25 2006
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