A323926 Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986).
1, 1, 2, 6, 15, 51, 190, 765, 3226, 14131, 63007, 285772, 995837, 6061703
Offset: 1
References
- N. Trinajstić, S. Nikolić, J. V. Knop, W. R. Müller and K. Szymanski, Computational Chemical Graph Theory: Characterization, Enumeration, and Generation of Chemical Structures by Computer Methods, Ellis Horwood, 1991.
Links
- Wenchen He and Wenjie He, Generation and enumeration of planar polycyclic aromatic hydrocarbons, Tetrahedron 42.19 (1986): 5291-5299. See Table 1.
Extensions
a(10)-a(14) from Trinajstić et al. (Table 4.6, the number of Kekuléan polyhexes with h hexagons) added by Andrey Zabolotskiy, Feb 08 2023