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A123285 Number of fusenes with 22 hexagons, C_(3h) symmetry and containing n carbon atoms. 14
1, 2, 8, 21, 60, 160, 281, 655, 1003, 1102 (list; graph; refs; listen; history; text; internal format)
OFFSET

63,2

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 4 on page 848.

LINKS

Table of n, a(n) for n=63..72.

EXAMPLE

If n=63 then the number of fusenes with 22 hexagons with C_(3h) symmetry is 1.

If n=66 then the number of fusenes with 22 hexagons with C_(3h) symmetry is 2.

If n=69 then the number of fusenes with 22 hexagons with C_(3h) symmetry is 8.

If n=72 then the number of fusenes with 22 hexagons with C_(3h) symmetry is 21.

CROSSREFS

Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142.

Sequence in context: A264245 A123044 A143229 * A143212 A316270 A219970

Adjacent sequences:  A123282 A123283 A123284 * A123286 A123287 A123288

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Oct 10 2006

STATUS

approved

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Last modified December 2 17:48 EST 2021. Contains 349445 sequences. (Running on oeis4.)