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Rational k-th power

Posted on: March 12th, 2014 by

For any k, the number A[k] is formed by writing all the perfect k-th powers in order after the decimal point. For example A[1]=0.1234567891011121314.... and A[2]=0.149162536496481100121144....
Is there a value of k for which A[k] is a rational number?

- via AMS math society

One Response to Rational k-th power

  1. Sid Hollander had this to say about that:


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