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What are all integer $(n,m)$, such that $n^3+2^m\cdot n$ is a perfect square

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    Insights, background, self effort, ideas...??2012-08-22
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    Welcome to MSE: since you are new, I wanted to let you know a few things about the site. First, you might want to read the [faq]. In order to get the best possible answers, it is helpful if you say in what context you encountered the problem, and what your thoughts on it are; this will prevent people from telling you things you already know, and help them give their answers at the right level.2012-08-22

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