0,2

S. J. Cyvin and I. Gutman, Kekule structures in benzenoid hydrocarbons, Lecture Notes in Chemistry, No. 46, Springer, New York, 1988 (see p. 78).

Sequence in context: A060460 A120983 A124810 this_sequence A151204 A151205 A151206

Adjacent sequences: A123345 A123346 A123347 this_sequence A123349 A123350 A123351

nonn

N. J. A. Sloane (njas(AT)research.att.com), Oct 10 2006