|
Search: id:A123277
|
|
|
| A123277 |
|
Number of polyhexes with 24 hexagons, C_(2h) symmetry and containing n carbon atoms. |
|
+0
14
|
|
| 18, 107, 427, 1490, 4590, 13298, 35971, 90268, 209337, 443940, 846043, 1440863, 2105423, 2482288, 2018188, 931601
(list; graph; listen)
|
|
|
OFFSET
|
68,1
|
|
|
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 7 column 6 on page 848.
|
|
EXAMPLE
|
If n=68 then the number of polyhexes with 24 hexagons with C_(2h) symmetry is 18.
If n=70 then the number of polyhexes with 24 hexagons with C_(2h) symmetry is 107.
If n=72 then the number of polyhexes with 24 hexagons with C_(2h) symmetry is 427.
If n=74 then the number of polyhexes with 24 hexagons with C_(2h) symmetry is 1490.
|
|
CROSSREFS
|
Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142.
Sequence in context: A107600 A008528 A020881 this_sequence A123595 A002165 A008654
Adjacent sequences: A123274 A123275 A123276 this_sequence A123278 A123279 A123280
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 10 2006
|
|
|
Search completed in 0.002 seconds
|
