I will post here the output of two commands that has me a bit worried. Of course it is entirely possible that I am overlooking something very simple, which is why I am writing to your site.

> residue(1/(2^s-1), s=2*Pi*I*3/log(2));
                                           0

> series(1/(2^s-1), s=2*Pi*I*3/log(2));
     

I can't get the formatting to look right, but I hope you see the problem. Please reformat my post if possible. [Formatting fixed. --Carl Love][Overfixed by copy-and-paste in Firefox. Markiyan Hirnyk]

The motivation for this calculation can be found here:

digital sum


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