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Search: id:A123044
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| A123044 |
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Number of benzenoids with 22 hexagons, C_(3h) symmetry and containing n carbon atoms. |
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30
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OFFSET
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63,2
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REFERENCES
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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 4 on page 847.
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EXAMPLE
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If n=63 then the number of benzenoids with 22 hexagons with C_(3h) symmetry is 1.
If n=66 then the number of benzenoids with 22 hexagons with C_(3h) symmetry is 2.
If n=69 then the number of benzenoids with 22 hexagons with C_(3h) symmetry is 8.
If n=72 then the number of benzenoids with 22 hexagons with C_(3h) symmetry is 21.
If n=90 then the number of benzenoids with 22 hexagons with C_(3h) symmetry is 755.
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CROSSREFS
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Cf. A122539, A121964, A122736.
Sequence in context: A034519 A014409 A109782 this_sequence A143229 A123285 A143212
Adjacent sequences: A123041 A123042 A123043 this_sequence A123045 A123046 A123047
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Sep 25 2006
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