A250113 Number of asymmetric Lucas strings of length n.
0, 0, 0, 0, 0, 0, 0, 0, 18, 20, 66, 120, 260, 420, 900, 1408, 2652, 4284, 7676, 12400, 21546, 34584, 58742, 94896, 158400, 255632, 422874, 683144, 1121256, 1812480, 2960872, 4787712, 7796184, 12608220, 20487110, 33139440, 53768252, 86981924, 140995764
Offset: 1
Keywords
Links
- Lars Blomberg, Table of n, a(n) for n = 1..1000
- A. R. Ashrafi, J. Azarija, K. Fathalikhani, S. Klavzar and M. Petkovsek, Vertex and edge orbits of Fibonacci and Lucas cubes, 2014; See Table 3.
- A. R. Ashrafi, J. Azarija, K. Fathalikhani, S. Klavzar, et al., Orbits of Fibonacci and Lucas cubes, dihedral transformations, and asymmetric strings, 2014.
Extensions
More terms from Lars Blomberg, Dec 05 2016