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A123106
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Number of benzenoids with 22 hexagons, C_(2v) symmetry and containing n carbon atoms.
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26
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4, 8, 56, 54, 211, 178, 770, 493, 2349, 1193, 6479, 2788, 16960, 5908, 40657, 11169, 89378, 19138, 176325, 27984, 311332, 36524, 478536, 35025, 599661, 20387, 517568, 251310
(list; graph; refs; listen; history; internal format)
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OFFSET
| 62,1
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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. See Table 5 column 7 on page 847.
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EXAMPLE
| If n=62 then the number of benzenoids with 22 hexagons with C_(2v) symmetry is 4.
If n=63 then the number of benzenoids with 22 hexagons with C_(2v) symmetry is 8.
If n=64 then the number of benzenoids with 22 hexagons with C_(2v) symmetry is 56.
If n=65 then the number of benzenoids with 22 hexagons with C_(2v) symmetry is 54.
If n=90 then the number of benzenoids with 22 hexagons with C_(2v) symmetry is 251310.
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CROSSREFS
| Cf. A122539, A121964, A122736, A123044.
Sequence in context: A189314 A128893 A192508 * A123288 A192200 A063083
Adjacent sequences: A123103 A123104 A123105 * A123107 A123108 A123109
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 28 2006
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