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Probable Near Pandigital Poser II (Posted on 2010-06-19) Difficulty: 3 of 5
For a 5N-digit base-2N positive integer X, determine the probability (in terms of N) that X contains each of the digits from 0 to 2N-1 at least twice but at most thrice.

Note: N is a positive integer ≥ 2, and X does not contain any leading zero.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionCleaned up solutionSteve Herman2010-06-20 21:23:05
SolutionSolution? (spoiler)Steve Herman2010-06-20 01:13:14
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