%I A121180
%S A121180 0,0,0,1,1,5,6,26,32,133,176,708,952,3861,5302,21604,29960
%N A121180 Alkane systems (see Cyvin reference for precise definition).
%D A121180 S. J. Cyvin et al., Enumeration of staggered conformers of alkanes: complete 
               solution ..., J. Molec. Struct., 413 (1997), 237-239.
%Y A121180 Sequence in context: A137081 A137079 A163658 this_sequence A022165 A022163 
               A048060
%Y A121180 Adjacent sequences: A121177 A121178 A121179 this_sequence A121181 A121182 
               A121183
%K A121180 nonn
%O A121180 1,6
%A A121180 N. J. A. Sloane (njas(AT)research.att.com), Aug 17 2006