2,2

A. T. Balaban, Enumeration of Cyclic Graphs, pp. 63-105 of A. T. Balaban, ed., Chemical Applications of Graph Theory, Ac. Press, 1976; see p. 92.

Adjacent sequences: A101203 A101204 A101205 this_sequence A101207 A101208 A101209

Sequence in context: A030222 A056840 A126797 this_sequence A041807 A115602 A115601

nonn

N. J. A. Sloane (njas(AT)research.att.com), Dec 13 2004