A123287 Number of fusenes with 22 hexagons, C_(2h) symmetry and containing 2n carbon atoms.

2, 32, 138, 510, 1630, 4757, 13276, 34345, 81379, 173257, 332556, 549920, 737676, 683310, 375524

Offset

31,1

Links

Table of n, a(n) for n=31..45.

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 6 on page 848.

Crossrefs

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

Sequence in context: A274654 A112850 A123105 * A236550 A012642 A244730

Adjacent sequences: A123284 A123285 A123286 * A123288 A123289 A123290

Keyword

nonn,fini,full

Author

Parthasarathy Nambi, Oct 10 2006

Extensions

Name and offset edited by Andrey Zabolotskiy, Nov 15 2023

Status

approved