[seqfan] Re: Looking for a function expanding to (1-q^k)^(-1) terms

Simon Plouffe simon.plouffe at gmail.com
Mon Jun 8 11:34:54 CEST 2020


hello Thomas,
but this is tau(n) * x^n, isn't ?
this is well known.
just expand the sum into a series. ...

Simon



Le lun. 8 juin 2020 à 11:25, Thomas Baruchel <baruchel at gmx.com> a écrit :

> Hi,
>
> is someone aware of some function expanding to the following series:
>
>
>      x/(1-q)  +  x^2 / (1-q^2)   +  x^3 / (1-q^3)   + ...
>
> I have a close match with the QPolyGamma function which evaluates to the
> sum above at x=1, but I am not sure I can fully build the given series
> from it.
>
> Thank you by advance,
>
> best regards,
>
> --
> Thomas Baruchel
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
>



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