1,5

S. J. Cyvin et al., Enumeration of tree-like octagonal systems: catapolyoctagons, ACH Models in Chem. 134 (1997), 55-70.

Sequence in context: A016234 A160197 A055660 this_sequence A121116 A138973 A016177

Adjacent sequences: A121111 A121112 A121113 this_sequence A121115 A121116 A121117

nonn

N. J. A. Sloane (njas(AT)research.att.com), Aug 13, 2006