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OpenStudy (kainui):
Is there a nice formula for sums of a number raised to only square powers?
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OpenStudy (kainui):
\[\sum_{k=0}^{n}x^{k^2}=1+x+x^4+x^9+x^{25}+...+x^{n^2}\]
OpenStudy (kainui):
Some way so that I can just plug in a number and evaluate it like I can do for a geometric series I mean. That's what I'm looking for. Any ideas would be nice and helpful too.
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