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A121849
The spiral parameter epsilon for the icosahedral fullerenes C_n.
0
0, 5, 5, 11, 15, 30, 22, 30, 41, 38, 50, 75, 57, 59, 75, 91, 78, 85, 140, 112, 105
OFFSET
20,2
REFERENCES
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.
EXAMPLE
If n=80 then the parameter epsilon is 5.
If n=500 then the parameter epsilon is 50.
CROSSREFS
Sequence in context: A356048 A101203 A141244 * A164930 A298165 A301800
KEYWORD
nonn,uned
AUTHOR
Parthasarathy Nambi, Aug 30 2006
STATUS
approved