3,2

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

Sequence in context: A043012 A122120 A080952 this_sequence A005057 A092634 A046727

Adjacent sequences: A121137 A121138 A121139 this_sequence A121141 A121142 A121143

nonn

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