#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;

int read(){
	int x = 0; char c = getchar();
	while(!isdigit(c))c = getchar();
	do{x = x * 10 + (c ^ 48); c = getchar();}while(isdigit(c));
	return x;
}
const int maxn = 1e6 + 55;
int n, k;
double f[maxn], g[maxn];
int main(){
	n = read(); f[read()] = 1; k = read();
	for(int i = 1; i <= k; ++i){
		for(int j = 1; j <= n; ++j)g[j] = (double)(j - 1.0) / (double)n * f[j];
		for(int j = 1; j <= n; ++j)f[j] += f[j - 1];
		for(int j = 1; j <= n; ++j)f[j] /= (double)(j * n);
		for(int j = n; j >= 1; --j)f[j] += f[j + 1];
		for(int j = 1; j <= n; ++j)f[j] += g[j];
		for(int j = 1; j <= n; ++j)printf("%.5Lf ",f[j]); printf("\n");
	}
	double ans = 0;
	for(int i = 1; i <= n; ++i)ans += f[i] * i;
	printf("%.20Lf\n",ans);
	return 0;
}