DLMF:26.7.E4 (Q7820): Difference between revisions

Revision as of 01:13, 2 January 2020

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Language	Label	Description	Also known as
English	DLMF:26.7.E4	No description defined

{\displaystyle{\displaystyle B\left(n\right)={\mathrm{e}^{-1}}\sum_{k=1}^{% \infty}\frac{k^{n}}{k!}=1+\left\lfloor{\mathrm{e}^{-1}}\sum_{k=1}^{2n}\frac{k^% {n}}{k!}\right\rfloor.}}

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DLMF:26.7.E4

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{\displaystyle{\displaystyle B\left(\NVar{n}\right)}}

C26.S7.SS1.m1acdec

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@@ Property / Symbols used @@
+Q12184
@@ Property / Symbols used: Q12184 / rank @@
+Normal rank
@@ Property / Symbols used: Q12184 / qualifier @@
+Defining formula:  ${\displaystyle{\displaystyle B\left(\NVar{n}\right)}}$ 
\Bellnumber@{\NVar{n}}
@@ Property / Symbols used: Q12184 / qualifier @@
+xml-id: C26.S7.SS1.m1acdec