Printing pyramid like stars using C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(Enumerable.Range(1, 7).Aggregate(new StringBuilder(), (sb, i) => sb.AppendLine(new string('*', 7 - 2 * Math.Abs(i - 4)).PadLeft(7 - Math.Abs(i - 4)))));
            Console.ReadLine();
        }
    }   
}

Output: