Just out of curiosity, do we have anything to generate the coefficients of 
terms of a rational function's Taylors series? I read the wiki 
(https://en.wikipedia.org/wiki/Rational_function) on the "method of 
generating functions" but that seems to be pretty significant computation 
for this particular problem. I was able to compute the term with the series 
(as Belkiss indicated) but is there a better way?

On Monday, February 12, 2018 at 2:09:05 AM UTC-6, Kalevi Suominen wrote:
>
>
>
> On Monday, February 12, 2018 at 9:56:16 AM UTC+2, Belkiss Anane wrote:
>>
>> Hello! I have SymPy on my computer but it crashed and I'm using  someone 
>> else's to do some math problems. Unfortunately, the online SymPy times out 
>> really fast. Can someone run these commands for me please?
>>
>> from sympy import *
>> t = Symbol('t')
>> f = 1 / ((1-t) * (1-t**5) * (1-t**10) * (1-t**25) * (1-t**50) * (1-t**100))
>> f.series(t,0,784)
>>
>>
>> I am just looking for the coefficient of t**783!
>>
>>
>> Thank you very much, you'll be saving my night! 
>>
>>
> I get  683772⋅t^783, but I have not checked that for correctness.
>
> Kalevi Suominen   
>

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