Matteo Cantiello edited begin_equation_tau_n_sum__.tex  over 8 years ago

Commit id: c3c370b4f31db58136e3413a7e4bfa68bcef4fb1

deletions | additions      

       

\begin{equation*}  \tau(n) = \sum \frac{(a-b)(a-c)(a-d)(a-e)(b-c)(b-d)(b-e)(c-d)(c-e)(d-e)}{1!2!3!4!}\nonumber \frac{(a-b)(a-c)(a-d)(a-e)(b-c)(b-d)(b-e)(c-d)(c-e)(d-e)}{1!\,2!\,3!\,4!}\nonumber  \end{equation*}