Pochhammer
From specialfunctionswiki
Revision as of 13:16, 19 January 2015 by Tom (talk | contribs) (Tom moved page Pochhammer symbol to Pochhammer)
$$(a)_0 = 1$$ $$(a)_n=a(a+1)(a+2)\ldots(a+n-1)=\dfrac{\Gamma(a+n)}{\Gamma(a)},$$ where $\Gamma$ denotes the gamma function.