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Results tagged with valuation-theory
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user 46140
8
votes
Accepted
Subsequence of the cubes
Experimenting with a CAS suggests an induction. In order to handle the induction, we need to consider the forms of the numbers involved. $\frac{4^m-1}{3} = 1 + 2^2 + 2^4 + \cdots + 2^{2m-2}$ alternate …
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