Question: possible memory problem

I have a polynomial in powers of R where a_n are coefficients


I am trying to write R in powers of A.

So if n=3 we have



My computer struggles when it gets up to n= 8 or 9. I would like to get this upto n=30 if possible. Is this calculation just too time consuming for maple and could it be written more efficiently so it doesnt take so long? In the bottom right hand corner of the maple screen there is an available memory display. Mine reads 1.09Gb. I have at least 60 Gb to spare. Is there a way to change this?


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