A123662 Number of fusenes with 26 hexagons, C_(2v) symmetry and containing n carbon atoms.

16, 21, 129, 121, 553, 462, 2001, 1454, 6808, 4111, 21081, 11349, 63181, 29269, 180890, 71268, 481635, 163071, 1217590, 344829, 2848636, 647233, 6121628, 1113172, 11846227, 1677481, 20694386, 2076402, 30600504

Offset

72,1

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 12 column 7 on page 850.

Links

Table of n, a(n) for n=72..100.

Example

If n=72 then the number of fusenes with 26 hexagons with C_(2v) symmetry is 16.
If n=73 then the number of fusenes with 26 hexagons with C_(2v) symmetry is 21.
If n=74 then the number of fusenes with 26 hexagons with C_(2v) symmetry is 129.
If n=75 then the number of fusenes with 26 hexagons with C_(2v) symmetry is 121.
If n=100 then the number of fusenes with 26 hexagons with C_(2v) symmetry is 30600504.

Crossrefs

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

Sequence in context: A303043 A302880 A303528 * A065778 A305944 A243972

Adjacent sequences: A123659 A123660 A123661 * A123663 A123664 A123665

Keyword

nonn

Author

Parthasarathy Nambi, Nov 14 2006

Status

approved