//Randomly generates an finite or infinite sequence
    public static IEnumerable <int> GetRandomSequence()
    {
        int random = _rng.Next(5) * 10;

        if (random == 0)
        {
            return(Sequences.GetFibonacciSequence());
        }
        else
        {
            return(Sequences.GetIntegerRange(0, random));
        }
    }