Numero di matricola: 618779
10.4.80
$$ N^2(x) \sim \frac{1}{\pi}x^{\frac{1}{2}}\sum_{0}^{\infty} \frac{(-1)^{k+1}}{12^{k}k!} \frac{6k+1}{6k-1}2^{3k} \left(\frac{1}{2}\right)_{3k} 2x^{-3k} $$