The Fibonacci cube graph of order is a graph on vertices, where is a Fibonacci number,
labeled by the Zeckendorf representations
of the numbers 0 to
and with two vertices connected by an edge iff their labels
differ by a single bit (i.e., if the Hamming distance
between them is exactly 1). The Fibonacci cube of order may be denoted (Munarini et al. 2001, Munarini 2019).
Fibonacci cube graphs are traceable and bipartite. The -Fibonacci
cube graph is Hamiltonian for , 7, 10, .... The Fibonacci cube graphs are also median
graphs (Klavar 2005, Došlić and Podrug 2023).
Fibonacci cubes have been generalized to graphs having vertex counts counted by various types of higher-order Fibonacci numbers (Hsu and Chung 1993, Došlić and Podrug 2023).
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