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Sitting rearrangement (Posted on 2019-08-13) Difficulty: 3 of 5
A group of n people sit at a circular table. They all stand and then sit back down in their original chair or in one next to it. In how many ways can this be done?

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
Full solution (based on recursion relations)FrankM2019-08-18 18:06:09
SolutionSolutionBrian Smith2019-08-17 10:24:32
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