0,4
S. J. Cyvin et al., Enumeration and classification of certain polygonal systems...: annelated catafusenes, J. Chem. Inform. Comput. Sci., 34 (1994), 1174-1180.
Sequence in context: A134415 A097787 A144414 * A154425 A120931 A069083
Adjacent sequences: A045906 A045907 A045908 * A045910 A045911 A045912
nonn
N. J. A. Sloane (njas(AT)research.att.com).