login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A123595 Number of fusenes with 24 hexagons, C_(2h) symmetry and containing n carbon atoms. 0
18, 107, 427, 1490, 4649, 13793, 38582, 100944, 246047, 548966, 1103167, 1994983, 3083825, 3819606, 3274338, 1664015 (list; graph; refs; listen; history; text; internal format)
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 10 column 6 on page 849.

LINKS

Table of n, a(n) for n=68..83.

EXAMPLE

If n=68 then the number of fusenes with 24 hexagons with C_(2h) symmetry is 18.

If n=70 then the number of fusenes with 24 hexagons with C_(2h) symmetry is 107.

If n=72 then the number of fusenes with 24 hexagons with C_(2h) symmetry is 427.

If n=74 then the number of fusenes with 24 hexagons with C_(2h) symmetry is 1490.

If n=98 then the number of fusenes with 24 hexagons with C_(2h) symmetry is 1664015.

CROSSREFS

Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142, A123289, A123288, A123287, A123286, A123285, A123284.

Sequence in context: A322648 A285854 A123277 * A317461 A225219 A002165

Adjacent sequences:  A123592 A123593 A123594 * A123596 A123597 A123598

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Nov 14 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 15 01:24 EDT 2021. Contains 342974 sequences. (Running on oeis4.)