Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A122097
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A122097 Number of fusenes with 23 hexagons, C_(2v) symmetry and containing n carbon atoms. +0
1
2, 9, 33, 38, 236, 126, 723, 473, 2416, 1658, 7813, 4675, 21575, 13325, 57298, 36963, 152858, 90391, 357015, 192587, 737545, 381508, 1434489, 667157, 2507225, 895538, 3385348, 777673, 3022948, 342738, 1502284 (list; graph; listen)
OFFSET

64,1

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 7 on page 849.

EXAMPLE

If n=64 then the number of fusenes with 23 hexagons with C_(2v) symmetry is 2.

If n=65 then the number of fusenes with 23 hexagons with C_(2v) symmetry is 9.

If n=66 then the number of fusenes with 23 hexagons with C_(2v) symmetry is 33.

If n=67 then the number of fusenes with 23 hexagons with C_(2v) symmetry is 38.

If n=94 then the number of fusenes with 23 hexagons with C_(2v) symmetry is 1502284.

CROSSREFS

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

Sequence in context: A056916 A139628 A123142 this_sequence A073400 A048498 A150921

Adjacent sequences: A122094 A122095 A122096 this_sequence A122098 A122099 A122100

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 17 2006

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research