#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, a, b;
  cin >> n >> a >> b;
  int ar[n];
  ar[0] = 1;
  int pre = 1;
  for (int i = 1; i < n; i++) {
    if (i == 1 && b == 0) {
      ar[i] = 1;
      continue;
    }
    if (b > 0) {
      ar[i] = pre + 1;
      pre += ar[i];
      b--;
    } else if (a > 0) {
      ar[i] = ar[i - 1] + 1;
      a--;
    } else {
      ar[i] = 1;
    }
    if (ar[i] > 50000) {
      cout << "-1";
      return 0;
    }
  }
  if (a > 0 || b > 0) {
    cout << "-1";
    return 0;
  }
  for (int i = 0; i < n; i++) {
    cout << ar[i] << " ";
  }
  return 0;
}
