4,2

Jerry Ray Dias, Isomer enumeration of practical benzenoids, J. Math. Chem., 44 (2008), 711-724.

Sequence in context: A026704 A046748 A074548 this_sequence A122122 A093424 A092467

Adjacent sequences: A141783 A141784 A141785 this_sequence A141787 A141788 A141789

nonn

N. J. A. Sloane (njas(AT)research.att.com), Sep 18 2008