Driver code
int main ( ) { int N = 17 ; cout << " Mobius ▁ Functions ▁ M ( N ) ▁ at ▁ N ▁ = ▁ " << N << " ▁ is : ▁ " << mobius ( N ) << endl ; cout << " Mobius ▁ Functions ▁ M ( N ) ▁ at ▁ N ▁ = ▁ " << 25 << " ▁ is : ▁ " << mobius ( 25 ) << endl ; cout << " Mobius ▁ Functions ▁ M ( N ) ▁ at ▁ N ▁ = ▁ " << 6 << " ▁ is : ▁ " << mobius ( 6 ) << endl ; }