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!)
A122096 Number of fusenes with 23 hexagons, C_(2h) symmetry and containing n carbon atoms. 0
6, 45, 145, 510, 1739, 4906, 13450, 36524, 87242, 182817, 361188, 632578, 856492, 755737, 375524 (list; graph; refs; listen; history; text; internal format)
OFFSET

66,1

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 9 column 6 on page 849.

LINKS

Table of n, a(n) for n=66..80.

EXAMPLE

If n=66 then the number of fusenes with 23 hexagons with C_(2h) symmetry is 6.

If n=68 then the number of fusenes with 23 hexagons with C_(2h) symmetry is 45.

If n=70 then the number of fusenes with 23 hexagons with C_(2h) symmetry is 145.

If n=72 then the number of fusenes with 23 hexagons with C_(2h) symmetry is 510.

If n=94 then the number of fusenes with 23 hexagons with C_(2h) symmetry is 375524.

CROSSREFS

Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142, A123205, A123209, A123277, A123284, A123285, A123286, A123287, A123288, A123289.

Sequence in context: A131513 A204558 A123141 * A302709 A054563 A288835

Adjacent sequences:  A122093 A122094 A122095 * A122097 A122098 A122099

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Oct 17 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 September 30 11:55 EDT 2020. Contains 337439 sequences. (Running on oeis4.)