A000935 Number of free planar polyenoids with 2n nodes and symmetry point group C_{2h}.
0, 1, 2, 7, 20, 63, 191, 598, 1870, 5906
Offset: 1
Links
- S. J. Cyvin, J. Brunvoll, E. Brendsdal, B. N. Cyvin and E. K. Lloyd, Enumeration of polyene hydrocarbons: a complete mathematical solution, J. Chem. Inf. Comput. Sci., 35 (1995) 743-751.
- S. J. Cyvin, J. Brunvoll, E. Brendsdal, B. N. Cyvin and E. K. Lloyd, Enumeration of polyene hydrocarbons: a complete mathematical solution, J. Chem. Inf. Comput. Sci., 35 (1995) 743-751. [Annotated scanned copy]
Extensions
a(8)-a(10) and improved title by Sean A. Irvine, Oct 15 2015