|
Search: id:A120333
|
|
|
| A120333 |
|
Number of monocyclic skeletons with n carbon atoms and a ring size of 5. |
|
+0
2
|
|
| 1, 1, 4, 9, 28, 71, 198, 521, 1418, 3773, 10153, 27114, 72705, 194531, 521447, 1397482, 3749836, 10067417, 27057233, 72779710, 195963184
(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).
|
|
EXAMPLE
|
If n=10 then the number of monocyclic skeletons with ring size of five is 71.
|
|
CROSSREFS
|
Sequence in context: A087726 A101973 A071258 this_sequence A000368 A094255 A069563
Adjacent sequences: A120330 A120331 A120332 this_sequence A120334 A120335 A120336
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 13 2006
|
|
EXTENSIONS
|
More terms from N. J. A. Sloane (njas(AT)research.att.com), Aug 27 2006
|
|
|
Search completed in 0.002 seconds
|
