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S-m-0-1-n-0-m-10-n-m-




Question Number 155436 by talminator2856791 last updated on 03/Oct/21
               S = Σ_(m=0) ^∞   (1/(Σ_(n=0) ^m  10^n + m))
$$\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:{S}\:=\:\underset{{m}=\mathrm{0}} {\overset{\infty} {\sum}}\:\:\frac{\mathrm{1}}{\underset{{n}=\mathrm{0}} {\overset{{m}} {\sum}}\:\mathrm{10}^{{n}} +\:{m}} \\ $$$$\: \\ $$

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