DLMF:8.4.E15
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Math Formula Information
Formula: Failed to parse (unknown function "\incGamma"): {\displaystyle \incGamma@{-n}{z}=\frac{(-1)^{n}}{n!}\left(\expintE@{z}-e^{-z}\sum_{k=0}^{n-1}\frac{(-1)^{k}k!}{z^{k+1}}\right)=\frac{(-1)^{n}}{n!}\left(\digamma@{n+1}-\ln@@{z}\right)-z^{-n}\sum_{\begin{subarray}{c}k=0\\ k\neq n\end{subarray}}^{\infty}\frac{(-z)^{k}}{k!(k-n)}.}
Name: DLMF:8.4.E15
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q2509