Formula:8481

Digital Library of Mathematical Functions ID 26.4.E3

${\displaystyle{\displaystyle n=a_{1}+2a_{2}+\cdots+na_{n},}}$

Symbols List

• ${\displaystyle{\displaystyle n}}$: nonnegative integer
• ${\displaystyle{\displaystyle a_{n}}}$: nonnegative integers
 

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