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A121847
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The spiral parameter alpha for the icosahedral fullerenes C_n.
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0
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0, 5, 6, 15, 17, 31, 30, 33, 51, 50, 54, 77, 76, 75, 80, 107, 106, 105, 143, 142, 111
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OFFSET
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20,2
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REFERENCES
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P. W. Fowler and K. M. Rogers, "Spiral Codes and Goldberg Representations of Icosahedral Fullerenes and Octahedral Analogues", J. Chem. Inf. Comput. Sci., vol. 41 (2001) 108-111.
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LINKS
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EXAMPLE
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If n=80 then alpha is 6.
If n=500 then alpha is 54.
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CROSSREFS
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KEYWORD
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nonn,uned
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AUTHOR
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STATUS
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approved
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