A108072 Number of inner dual graphs of planar polyhexes with n hexagons having no nontrivial symmetry.
1, 0, 0, 0, 0, 5, 22, 90, 342, 1247, 4491, 16095, 57906, 209170, 760830, 2784913, 10262649, 38051063, 141914613, 532131882, 2005320952, 7591794561, 28863820538, 110172051829, 422060152511, 1622369728951
Offset: 1
Keywords
Links
- Gunnar Brinkmann, Gilles Caporossi and Pierre Hansen, A constructive enumeration of fusenes and benzenoids, Journal of Algorithms, Volume 45, Issue 2, November 2002, Pages 155-166.
- Gunnar Brinkmann, Gilles Caporossi and Pierre Hansen, A Survey and New Results on Computer Enumeration of Polyhex and Fusene Hydrocarbons, J. Chem. Inf. Comput. Sci. 2003, 43, 3, 842-851.
Extensions
Name corrected by Andrey Zabolotskiy, Oct 01 2022