#pragma once

#include <vector>

class Jacobstahl
{
  public:
    Jacobstahl();
    Jacobstahl(const Jacobstahl &other);
    Jacobstahl &operator=(const Jacobstahl &other);
    ~Jacobstahl();

    int get(int n);
    std::vector<int> getUpTo(int n);
    int getAfter(int n);

  private:
    int              getRecursive(int n);
    std::vector<int> _jacobstahl_numbers;
};