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The number formed from the first four nonzero digits of the sum of the series (1/2 - 1/3 + 1/5 - 1/7 ...), i.e., the alternating sum of the reciprocals of the primes.

 

  Submitted: 2004-01-16 03:30:36;   Last Modified: 2008-01-30 11:28:00.



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