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A123284
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Number of polyhexes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.
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14
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2, 34, 37, 173, 155, 657, 482, 2206, 1334, 6510, 3315, 18208, 7804, 47329, 16914, 114779, 33879, 258280, 60786, 532865, 98070, 987689, 137195, 1641862, 166882, 2358366, 146898, 2723100, 77267, 2164650, 966300
(list; graph; refs; listen; history; internal format)
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OFFSET
| 67,1
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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) 842-851. See Table 7 column 7 on page 848.
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EXAMPLE
| If n=67 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 2.
If n=68 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 34.
If n=69 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 37.
If n=70 then the number of polyhexes with 24 hexagons with C_(2v) symmetry is 173.
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CROSSREFS
| Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142.
Sequence in context: A180342 A098869 A131544 * A123606 A062864 A124208
Adjacent sequences: A123281 A123282 A123283 * A123285 A123286 A123287
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 10 2006
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