Formula:5

Digital Library of Mathematical Functions ID 1.2.E5

${\displaystyle{\displaystyle\genfrac{(}{)}{0.0pt}{}{n}{0}+\genfrac{(}{)}{0.0pt}{}{n}{2}+\genfrac{(}{)}{0.0pt}{}{n}{4}+\dots+\genfrac{(}{)}{0.0pt}{}{n}{\ell}=2^{n-1},}}$

Symbols List

• ${\displaystyle{\displaystyle\genfrac{(}{)}{0.0pt}{}{\NVar{m}}{\NVar{n}}}}$:
• ${\displaystyle{\displaystyle\ell}}$: integer
• ${\displaystyle{\displaystyle n}}$: nonnegative integer
 

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