1,3

J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Isomer enumeration of polygonal systems..., J. Molec. Struct. (Theochem), 364 (1996), 1-13.

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

Sequence in context: A065657 A149026 A149027 this_sequence A080635 A130905 A030799

Adjacent sequences: A121098 A121099 A121100 this_sequence A121102 A121103 A121104

nonn

N. J. A. Sloane (njas(AT)research.att.com), Aug 11 2006