Independent subsets of powers of paths, and Fibonacci cubes
arXiv:1211.2251 · doi:10.1016/j.endm.2013.05.013
Abstract
We provide a formula for the number of edges of the Hasse diagram of the independent subsets of the h-th power of a path ordered by inclusion. For h=1 such a value is the number of edges of a Fibonacci cube. We show that, in general, the number of edges of the diagram is obtained by convolution of a Fibonacci-like sequence with itself.
Preprint submitted to Electronic Notes in Discrete Mathematics