Proofs without wordsmathoverflow.net 1 pointTriinT16 years ago1 commentSaveHideCopy link On HNComments−jgrahamc16ySimilar: http://www.jgc.org/blog/2008/02/sum-of-first-n-odd-numbers-i...
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Similar: http://www.jgc.org/blog/2008/02/sum-of-first-n-odd-numbers-i...