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1:26 AM
Isn't the tag too general (or should I say too vague)?
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Q: Evaluating $\sum_{i_1=1}^{\infty} \sum_{i_2=1}^{i_1-1} \sum_{i_3=1}^{i_2-1} ... \sum_{i_m=1}^{i_{m-1}-1} \prod_{k=1}^m a_k^{i_k}$

marty cohenThis is a generalization of my answer to $\sum_{1\leq l \lt m\lt n} \dfrac{1}{5^l3^m2^n}$ I showed there that, if $0 < a, b ,c < 1$, $\begin{array}\\ s(a, b, c) &=\sum_{1\leq l \lt m\lt n} a^lb^mc^n\\ &=\sum_{n=1}^{\infty}\sum_{m=1}^{n-1}\sum_{l=1}^{m-1}a^lb^mc^n\\ &=\dfrac{ab^2c^3}{(1-c)(1-bc)...

This tag was created and removed before, so I suppose it is safe to remove it again: chat.stackexchange.com/transcript/3740?m=44743023#44743023
May 22 at 5:20, by Martin Sleziak
In 2012 by FUZxxl, in 2016 by Najib Idrissi and in 2018 by Marty Cohen.
If somebody thinks that tag like this should be created, probably the way to go is to discuss it first on meta, the Tag management thread seems to be a good place for that.
 
 
11 hours later…
12:55 PM
@MartinSleziak Only now I have noticed that this time it was Marty Cohen again who created the tag.
I have noticed this was second time you have created (generalization) tag. (And in the past this tag was created by other users and removed each time.) I think that probably it would be better to discuss the tag on meta first, since it is unclear whether or not this tag can be useful. (Relevant discussion on meta: Should every new tag be discussed on meta before creation?) After you see this comment, feel free to ping me here or in tagging chatroom - then I can remove it. — Martin Sleziak 57 secs ago
 

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