Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A121332
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A121332 Number of bridged bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition). +0
6
0, 1, 5, 20, 71, 235, 753, 2345, 7190, 21753, 65188, 193834, 527743, 1683615, 4927394, 14367845, 41761634, 121052806, 350049108, 1010123293, 2909478000 (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: A121329 A121330 A121331 this_sequence A121333 A121334 A121335

Sequence in context: A056384 A036683 A054444 this_sequence A122695 A066822 A137212

KEYWORD

nonn

AUTHOR

njas, Aug 27 2006

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


AT&T Labs Research