|
| |
|
|
A123287
|
|
Number of fusenes with 22 hexagons, C_(2h) symmetry and containing n carbon atoms.
|
|
14
| |
|
|
2, 32, 138, 510, 1630, 4757, 13276, 34345, 81379, 173257, 332556, 549920, 737676, 683310, 375524
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 62,1
|
|
|
REFERENCES
| G. Brinkmann, G. Caporossi and P. Hansen, "A Survey and New Results on Computer Enumeration of Polyhex and Fusene Hydrocarbons", J. Chem. Inf. Comput. Sci., vol. 43 (2003) 842-851. See Table 8 column 6 on page 848.
|
|
|
EXAMPLE
| If n=62 then the number of fusenes with 22 hexagons with C_(2h) symmetry is 2.
If n=64 then the number of fusenes with 22 hexagons with C_(2h) symmetry is 32.
If n=66 then the number of fusenes with 22 hexagons with C_(2h) symmetry is 138.
If n=68 then the number of fusenes with 22 hexagons with C_(2h) symmetry is 510.
If n=90 then the number of fusenes with 22 hexagons with C_(2h) symmetry is 375524.
|
|
|
CROSSREFS
| Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142.
Sequence in context: A191997 A112850 A123105 * A012642 A169833 A128789
Adjacent sequences: A123284 A123285 A123286 * A123288 A123289 A123290
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 10 2006
|
| |
|
|
