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A123661
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Number of fusenes with 26 hexagons, C_(2h) symmetry and containing n carbon atoms.
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0
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8, 75, 346, 1284, 4408, 13534, 40148, 113583, 299614, 744570, 1718108, 3628442, 6915782, 11810625, 17106283
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OFFSET
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72,1
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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 12 column 6 on page 850.
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LINKS
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Table of n, a(n) for n=72..86.
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EXAMPLE
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If n=72 then the number of fusenes with 26 hexagons with C_(2h) symmetry is 8.
If n=74 then the number of fusenes with 26 hexagons with C_(2h) symmetry is 75.
If n=76 then the number of fusenes with 26 hexagons with C_(2h) symmetry is 346.
If n=78 then the number of fusenes with 26 hexagons with C_(2h) symmetry is 1284.
If n=100 then the number of fusenes with 26 hexagons with C_(2h) symmetry is 17106283.
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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: A163970 A116251 A166084 * A123003 A015578 A145600
Adjacent sequences: A123658 A123659 A123660 * A123662 A123663 A123664
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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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