- moebius-mu nprocedure
- n
- integer
Returns:
- 1 if n is a square-free product of an even number of primes
- -1 if n is a square-free product of an odd number of primes
- 0 if n has a multiple prime factor
> (moebius-mu (* 2 3 5)) -1 > (moebius-mu (* 2 3 5 7)) 1 > (moebius-mu (* 2 2 3 5 7)) 0
Wikipedia: Moebius Function