Does this differential equation have a nice solution?

[zachzach]

$$\frac{dy}{dx} = \exp \left[ -x - e^{-x} \right] - y^2$$

 

[hunt_mat]

I don't think so, you can write it as:
$$\frac{d}{dx}(y-e^{e^{-x}})=y^{2}$$
But that is it really.