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Unconsecutive-summables (Posted on 2011-04-14) Difficulty: 3 of 5
[1] Find all positive integers that cannot be written as the sum of 2 or more consecutive positive integers.

[2] Find all integers that cannot be written as the sum of 2 or more consecutive integers.

[3] Find all positive integers that can only be written as the sum of 2 or more consecutive positive integers in one way.

See The Solution Submitted by Jer    
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  Subject Author Date
re: possible solutionJer2011-04-15 00:22:27
Some ThoughtsPart 2 (spoiler)Steve Herman2011-04-14 20:27:20
possible solutionDej Mar2011-04-14 19:38:31
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