deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 4fbaa5a..81de5cd 100644  --- a/untitled.tex  +++ b/untitled.tex 
...
\begin{equation}  I[G(x)]=\frac{1}{1-G(x)}-1  \end{equation}  Let $I^{(n)}[G(x)]$ denote a repeated application of the invert transform $n$ times. We then have \begin{equation}  I^{(0)}[P(x)]=2x+3x^2+5x^3+7x^4+11x^5+\cdots\\  I^{(1)}[P(x)]=2x+7x^2+25x^3+88x^4+311x^5+\cdots\\  I^{(2)}[P(x)]=2x+11x^2+61x^3+337x^4+1863x^5+\cdots\\  \end{equation}