%I A121849
%S A121849 0,5,5,11,15,30,22,30,41,38,50,75,57,59,75,91,78,85,140,112,105
%N A121849 The spiral parameter epsilon for the icosahedral fullerenes C_n.
%D A121849 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.
%e A121849 If n=80 then the parameter epsilon is 5.
%e A121849 If n=500 then the parameter epsilon is 50.
%Y A121849 Sequence in context: A143427 A101203 A141244 this_sequence A164930 A098331 
               A061391
%Y A121849 Adjacent sequences: A121846 A121847 A121848 this_sequence A121850 A121851 
               A121852
%K A121849 nonn,uned
%O A121849 20,2
%A A121849 Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 30 2006