\[\frac{1}{(2\pi)^{n/2}}\int_{(-\infty,\infty)^{n}}|\Delta(t_{1},\dots,t_{n})|^{%
2c}\prod_{k=1}^{n}\exp\left(-\tfrac{1}{2}t_{k}^{2}\right)\,\mathrm{d}t_{k}=%
\frac{\prod_{k=1}^{n}\Gamma\left(1+kc\right)}{(\Gamma\left(1+c\right))^{n}},\]