Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A121162
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A121162 Number of separated bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition). +0
1
1, 3, 13, 41, 141, 440, 1391, 4244, 12913, 38651, 115082, 339646, 997709, 2915010, 8485573, 24612666, 71191458, 205393819, 591330506, 1699226719 (list; graph; listen)
OFFSET

6,2

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: A121159 A121160 A121161 this_sequence A121163 A121164 A121165

Sequence in context: A059020 A095109 A049167 this_sequence A109224 A106050 A074425

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 13 2006

EXTENSIONS

More terms from 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 13 17:46 EDT 2008. Contains 145008 sequences.


AT&T Labs Research