p52

#include <iostream>
#include <vector>
using namespace std;
int main (void)
{
	double b1=0.5;
	double b2=0.2;
	int n;
	cin >> n;
	cout << b1 << " " << b2 << " ";
	for (int i=2; i<=n;i++)
   {
	double current;
	current = b2*b2+(b1/i);
	b1 = b2;
	b2 = current;
	cout << current << " ";
   }

}