OFFSET
30,2
COMMENTS
See Table 4 column 6 of Brinkmann et al. paper.
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), pp. 842-851.
EXAMPLE
If n=30 then the number of benzenoids with 21 hexagons with C_(2h) symmetry is 1 which is the first term in the sequence.
CROSSREFS
KEYWORD
nonn
AUTHOR
Parthasarathy Nambi, Sep 10 2006
STATUS
approved