A123044 Number of benzenoids with 22 hexagons, C_(3h) symmetry and containing 3n carbon atoms.

1, 2, 8, 21, 58, 149, 234, 512, 767, 755

Offset

21,2

Links

Table of n, a(n) for n=21..30.

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 5 column 4 on page 847.

Crossrefs

Cf. A122539, A121964, A122736.

Sequence in context: A237268 A216893 A264245 * A143229 A123285 A143212

Adjacent sequences: A123041 A123042 A123043 * A123045 A123046 A123047

Keyword

nonn,fini,full

Author

Parthasarathy Nambi, Sep 25 2006

Extensions

Name and offset edited by Andrey Zabolotskiy, Nov 15 2023

Status

approved