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Feb 28, 2016 at 15:14 vote accept JMP
Jan 7, 2016 at 3:00 comment added David Handelman ok, begin the induction at $q= 2$; $5^2 = 3^2 + 4^2$ begins the induction.
Jan 7, 2016 at 2:31 comment added JMP your base case needs more work - r=1 so f=0
Jan 6, 2016 at 23:20 history edited David Handelman CC BY-SA 3.0
added 112 characters in body
Jan 6, 2016 at 23:11 history edited David Handelman CC BY-SA 3.0
added 10 characters in body
Jan 6, 2016 at 23:05 history answered David Handelman CC BY-SA 3.0