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Going Maximum With Harmonic (Posted on 2013-12-28) Difficulty: 3 of 5
Determine the maximum value of a (base ten) positive integer N (with non leading zeroes) such that each of the digits of N, with the exception of the first digit and the last digit, is less than the harmonic mean of the two neighboring digits.

*** For an extra challenge, solve this puzzle without the aid of a computer program.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionBy handJer2013-12-28 23:54:34
Solutioncomputer solutionCharlie2013-12-28 16:00:13
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