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A123104 Number of benzenoids with 22 hexagons, D_(2h) symmetry and containing n carbon atoms. 29
1, 3, 3, 6, 16, 19, 24, 30, 30, 50, 90, 62, 163, 37, 81 (list; graph; refs; listen; history; internal format)
OFFSET

62,2

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 5 column 5 on page 847.

EXAMPLE

If n=62 then the number of benzenoids with 22 hexagons with D_(2h) symmetry is 1.

If n=64 then the number of benzenoids with 22 hexagons with D_(2h) symmetry is 3.

If n=66 then the number of benzenoids with 22 hexagons with D_(2h) symmetry is 3.

If n=68 then the number of benzenoids with 22 hexagons with D_(2h) symmetry is 6.

If n=90 then the number of benzenoids with 22 hexagons with D_(2h) symmetry is 81.

CROSSREFS

Cf. A122539, A121964, A122736, A123044.

Sequence in context: A006807 A119460 A095356 * A038076 A123286 A132818

Adjacent sequences:  A123101 A123102 A123103 * A123105 A123106 A123107

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 27 2006

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.