$$\color{rgb(0,127,0)}u_{1}$$

$$\color{rgb(255,0,0)}u_{2} = 16$$

$$\color{rgb(0,0,0)}\text{Suite d}\acute{e} \text{finie par }u_0=2\text{ et }u_{n+1}={u_n}^2$$

$$\color{rgb(0,0,0)}u_0$$

$$\color{rgb(255,0,0)}u_{2}$$

$$\color{rgb(0,0,0)}y=x$$

$$\color{rgb(0,0,0)}5$$

$$\color{rgb(0,0,0)}2$$

$$\color{rgb(255,0,0)}u_{2} = f(u_{1})$$