login
A123277
Number of polyhexes with 24 hexagons, C_(2h) symmetry and containing 2n carbon atoms.
13
18, 107, 427, 1490, 4590, 13298, 35971, 90268, 209337, 443940, 846043, 1440863, 2105423, 2482288, 2018188, 931601
OFFSET
34,1
LINKS
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 7 column 6 on page 848.
FORMULA
Sum_n a(n) = 10623852 = A121210(24). - Andrey Zabolotskiy, Nov 15 2023
KEYWORD
nonn,fini,full
AUTHOR
Parthasarathy Nambi, Oct 10 2006
EXTENSIONS
Name and offset edited by Andrey Zabolotskiy, Nov 15 2023
STATUS
approved