A123598 Number of fusenes with 25 hexagons, C_(2v) symmetry and containing n carbon atoms.

3, 24, 29, 131, 114, 670, 423, 2307, 1353, 6814, 4581, 21998, 13890, 64640, 38789, 170723, 104802, 441222, 269058, 1095003, 610892, 2398941, 1239007, 4754880, 2316724, 8787858, 3726026, 14143599, 4553620, 17450804, 3642533, 14388434

Offset

69,1

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 11 column 7 on page 850.

Links

Table of n, a(n) for n=69..100.

Example

If n=69 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 3.
If n=70 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 24.
If n=71 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 29.
If n=72 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 131.
If n=100 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 14388434.

Crossrefs

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

Sequence in context: A175471 A035409 A081312 * A106217 A267274 A217554

Adjacent sequences: A123595 A123596 A123597 * A123599 A123600 A123601

Keyword

nonn

Author

Parthasarathy Nambi, Nov 14 2006

Status

approved