Problem with mobius function

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Problem with mobius function

Revision en2, by selfcompiler, 2017-07-29 16:39:35

Hi Everyone I am trying to solve Problem
I gone through editorial but not able to get it . Below is the function where i got stuck .Could someone please tell me how to calculate below function efficiently for each n .
$\text{[math]}$ $\text{[math]}$

Editorial Link

mobius function, mobius inversion formula, number theory, gcd, lcm

History

Revisions

	Rev.	Lang.	By	When	Δ	Comment
	en2		selfcompiler	2017-07-29 16:39:35	2	Tiny change: 'orial Link :](https://' -> 'orial Link](https://'
	en1		selfcompiler	2017-07-29 16:37:46	437	Initial revision (published)