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A123598
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Number of fusenes with 25 hexagons, C_(2v) symmetry and containing n carbon atoms.
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0
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3, 24, 29, 131, 114, 670, 423, 2307, 1353, 6814, 4581, 21998, 13890, 64640, 38789, 170723, 104802, 441222, 269058, 1095003, 610892, 2398941, 1239007, 4754880, 2316724, 8787858, 3726026, 14143599, 4553620, 17450804, 3642533, 14388434
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OFFSET
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69,1
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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 11 column 7 on page 850.
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LINKS
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Table of n, a(n) for n=69..100.
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EXAMPLE
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If n=69 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 3.
If n=70 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 24.
If n=71 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 29.
If n=72 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 131.
If n=100 then the number of fusenes with 25 hexagons with C_(2v) symmetry is 14388434.
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CROSSREFS
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Cf. A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142, A123289, A123288, A123287, A123286, A123285, A123284, A123277, A123209, A123205.
Sequence in context: A175471 A035409 A081312 * A106217 A217554 A160665
Adjacent sequences: A123595 A123596 A123597 * A123599 A123600 A123601
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KEYWORD
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nonn
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AUTHOR
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Parthasarathy Nambi, Nov 14 2006
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STATUS
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approved
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