I'm Juan Camilo López Carreño.
<wz tip="In the walkway by the Weser river in Bremen">
</wz>
\[ p(n) = \mathcal{C}_n\times
{}_1\!F_2\left(n+1;\frac{2n+1}{2}+\frac{\Gamma_\sigma}{\Gamma},
n+\frac{\Gamma_\sigma}{\Gamma};
-\frac{P_\sigma} {2\Gamma}
\right)\]