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Mathematical Induction

  1. Jun 23, 2012 #1
    I want to now the answer of this question and I think it relates to mathematical induction. The question is:
    -Suppose is a natural number. In how many ways can we place numbers around a circle such that each number is a divisor of the sum of it's two adjacent numbers?

    Who can answer this question?
  2. jcsd
  3. Jun 23, 2012 #2


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    You seem to have omitted some words. Suppose N is a natural number? Then you need some constraint based on N, such as "place numbers <= N around a circle".
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