1,2
S. J. Cyvin et al., Enumeration of tree-like octagonal systems: catapolyoctagons, ACH Models in Chem. 134 (1997), 55-70.
Sequence in context: A127044 A037562 A187001 * A125831 A026076 A006646
Adjacent sequences: A121174 A121175 A121176 * A121178 A121179 A121180
nonn
N. J. A. Sloane (njas(AT)research.att.com), Aug 15 2006