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A123205
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Number of polyhexes with 24 hexagons, C_(3h) symmetry and containing n carbon atoms.
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13
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1, 6, 16, 40, 133, 283, 630, 1279, 2283, 2471, 1727
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OFFSET
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67,2
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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) 842-851. See Table 7 column 4 on page 848.
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LINKS
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Table of n, a(n) for n=67..77.
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EXAMPLE
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If n=67 then the number of polyhexes with 24 hexagons with C_(3h) symmetry is 1.
If n=70 then the number of polyhexes with 24 hexagons with C_(3h) symmetry is 6.
If n=73 then the number of polyhexes with 24 hexagons with C_(3h) symmetry is 16.
If n=76 then the number of polyhexes with 24 hexagons with C_(3h) symmetry is 40.
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CROSSREFS
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Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142.
Sequence in context: A009955 A160255 A213667 * A123607 A073570 A107614
Adjacent sequences: A123202 A123203 A123204 * A123206 A123207 A123208
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi, Oct 04 2006
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STATUS
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approved
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