I wear your shirt

Re:I wear your shirt by Torn on Wednesday November 25, 2009 @11:47AM (#961377)

didn't even think of that one! :)

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Re:I wear your shirt by karanbhangui on Wednesday November 25, 2009 @12:52PM (#961519)

or plain math: n(n+1)/2

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Re:I wear your shirt by mahmud on Thursday November 26, 2009 @08:20PM (#963304)

How quickly can you generalize the plain math formula to these sequences: http://www.research.att.com/njas/sequences/index.html

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