class Program
    {
        static void Main()
        {
            Console.Write("Enter a: ");
            double a = double.Parse(Console.ReadLine());
            Console.Write("Enter b: ");
            double b = double.Parse(Console.ReadLine());
            Console.Write("Enter the accuracy of the calculations e: ");
            double e = double.Parse(Console.ReadLine());
            Console.Write("Enter step: ");
            double h = double.Parse(Console.ReadLine());
            for (double x = a; x <= b; x+=h)
            {
                int count = 1;
                double temp = 1;
                double pov = (6 * x * x) / (2 * count * (2 * count - 1));
                while (Math.Abs(pov) >= e)
                {
                    ++count;
                    temp += pov;
                    pov *= (-1) * (6 * x * x) / (2 * count * (2 * count - 1));
                }
                Console.WriteLine("x: {0} \t f(x): {1} \t last f<{2}>: {3}", x, temp,count, pov);
            }
        }
    }