\begin{definition}[Definition:Du Bois-Reymond Constants]
The '''du Bois-Reymond constants''' are the constants $C_n$ where:
:$C_n = \ds \int_0^\infty \size {\map {\dfrac \d {\d t} } {\dfrac {\sin t} t}^n} \rd t - 1$
\end{definition}