Question: Help with polarplot and complexplot

Could someone help me with the following.  The syntax produces an unfinished graph with a warning.

> with(plots);
> z := polar(1.05, (1/10)*Pi);
> display(polarplot(1, color = grey, axis[radial] = [color = "Blue"]), complexplot(seq(evalc(z))^n,
n = 1 .. 21));

Warning, unable to evaluate the function to numeric values in the region; see the plotting command's help page to ensure the calling sequence is correct

the graphic looks like this

The graphic should look like this

Thanks, any help appreciated.



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