$$\log{\left(\operatorname{atan}{\left(e \right)} \right)} \operatorname{atan}^{x}{\left(e \right)}$$
x 2
atan (E)*log (atan(E))
$$\log{\left(\operatorname{atan}{\left(e \right)} \right)}^{2} \operatorname{atan}^{x}{\left(e \right)}$$
x 3
atan (E)*log (atan(E))
$$\log{\left(\operatorname{atan}{\left(e \right)} \right)}^{3} \operatorname{atan}^{x}{\left(e \right)}$$