#include <bits/stdc++.h>
using namespace std;
void Fastio() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
}
int main() {
  Fastio();
  int n, a, b;
  cin >> n >> a >> b;
  long long sum = 1, arr[n];
  arr[0] = 1;
  if (n - 1 == a && n > 1) return cout << "-1\n", 0;
  for (int i = 1; i < n; i++) {
    if (b > 0) {
      arr[i] = sum + 1;
      sum += arr[i];
      b--;
    } else if (i < n - a)
      arr[i] = arr[i - 1];
    else {
      arr[i] = arr[i - 1] + 1;
      a--;
    }
    if (arr[i] > 50000) return cout << "-1\n", 0;
  }
  if (a || b) return cout << "-1\n", 0;
  for (int i = 0; i < n; i++) {
    cout << arr[i] << " ";
  }
  return 0;
}
