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Is there a known formula for the number of closed walks of length (exactly) $r$ on the $n$-cube? If not, what are the best known upper and lower bounds?
[Edit] Note: the walk can repeat vertices.
Is there a known formula for the number of closed walks of length (exactly) $r$ on the $n$-cube? If not, what are the best known upper and lower bounds?
Is there a known formula for the number of closed walks of length (exactly) $r$ on the $n$-cube? If not, what are the best known upper and lower bounds?
Is there a known formula for the number of closed walks of length (exactly) $r$ on the $n$-cube? If not, what are therethe best known upper and lower bounds?
Is there a known formula for the number of closed walks of length (exactly) $r$ on the $n$-cube? If not, are there known upper and lower bounds?
Is there a known formula for the number of closed walks of length (exactly) $r$ on the $n$-cube? If not, what are the best known upper and lower bounds?
