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

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

	Submitted by pcbouhid
Rating: 4.3333 (3 votes)
Solution:	(Hide)
S = 1 - 2^(n + 1) / (3^(2^n) - 1)

	Subject	Author	Date
	Puzzle Answer	K Sengupta	2023-12-10 19:58:29
	re(3): Solution - to goFish	pcbouhid	2005-12-24 13:11:49
	Solution - Spoiler	dopey915	2005-12-22 11:54:14
	re(2): Solution	goFish	2005-12-22 11:47:12
	re: Progress?	MindRod	2005-12-22 10:35:51
	re(2): Solution	goFish	2005-12-22 10:02:31
	Progress?	dopey915	2005-12-22 09:39:28
	re: Solution	pcbouhid	2005-12-22 08:13:45
	Solution	goFish	2005-12-22 03:58:28
	re(3): Using Charlie's idea (spoiler?) -- numerical verification	Bractals	2005-12-21 18:24:45
	re(2): Using Charlie's idea (spoiler?) -- numerical verification	Charlie	2005-12-21 16:18:45
	re: Using Charlie's idea (spoiler?)	Charlie	2005-12-21 15:54:00
	Partial Solution	Bractals	2005-12-21 15:20:41
	Using Charlie's idea (spoiler?)	Bob Smith	2005-12-21 14:51:24
	ideas	Charlie	2005-12-21 12:17:26