Möbius function
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The Möbius function μ(n) is a multiplicative function in number theory introduced by the German mathematician August Ferdinand Möbius in 1832. It is ubiquitous in elementary and analytic number theory and most often appears as part of its namesake... Wikipedia
Author of publication: August Ferdinand Möbius
First terms: 1, −1, −1, 0, −1, 1, −1, 0, 0, 1
No. of known terms: infinite