perplexus.info :: Just Math : Evaluate this sum

Evaluate this sum (Posted on 2005-12-21)

Evaluate this sum in terms of n (the number of terms):

        1      2       4        8          16         
   S = --- + ----- + ----- + ------- + ---------- + ..... 
        2      5       41     3,281    21,523,361

See The Solution Submitted by pcbouhid

Rating: 4.3333 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re(3): Using Charlie's idea (spoiler?) -- numerical verification

| Comment 6 of 15 |

(In reply to re(2): Using Charlie's idea (spoiler?) -- numerical verification by Charlie)

Thanks Charlie. I was able to show by induction that Bob's and your's closed form satisfied my differnce equation.

Posted by Bractals on 2005-12-21 18:24:45

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