Integration Series

For any $n$ number of integrations on any constant $c$ . The first term in standard notation is equal to $\frac{1}{n!}cx^n$

I.E. $\int\int (c) dxdx= \frac{1}{2!}cx^2$ as well as $\int\int\int (c) dxdxdx= \frac{1}{3!}cx^3$