a_n = \frac{n!}{\sqrt{2\pi}n^{n+1/2}e^{-n+1/(12n)}}\\
b_n = \frac{n!}{\sqrt{2\pi}n^{n+1/2}e^{-n}}
Embed the image to your blog in HTML, Markdown, Textile, BBCode.
Recent Referers:
  1. http://d.hatena.ne.jp/ykkpurple/touch/searchdiary?word=%2...