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Answers and rating deltas for

How to calculate the number of coprime subsets of the set {1,2,3,..,n}

Author Votes Δ
David Eisenstat 13 +0.54
TooTone 5 +2.70
גלעד ברקן 2 +0.31
TooTone 1 +0.70
Save 0 -1.95
clwhisk 0 -1.36
stranac 0 -2.23
Abhishek Bansal 0 -1.22
Michael -1 -3.44
Last visited: Sep 14, 2014, 5:07:29 AM