FizzBuzz in C# without conditionals

Program.cs

namespace Fizzbuzz;

using System.Collections;
using System.Collections.Generic;

class Program
{
    public class FizzBuzzEnumerable : IEnumerable<string>
    {
        private readonly int n;

        public FizzBuzzEnumerable() : this(0) {}

        private FizzBuzzEnumerable(int offset) 
        {
            n = offset;
        }

        public IEnumerator<string> GetEnumerator()
        {
            yield return (n + 1).ToString();
            yield return (n + 2).ToString();
            yield return "Fizz";
            yield return (n + 4).ToString();
            yield return "Buzz";
            yield return "Fizz";
            yield return (n + 7).ToString();
            yield return (n + 8).ToString();
            yield return "Fizz";
            yield return "Buzz";
            yield return (n + 11).ToString();
            yield return "Fizz";
            yield return (n + 13).ToString();
            yield return (n + 14).ToString();
            yield return "Fizz Buzz";
            foreach (var s in new FizzBuzzEnumerable(n + 15)) 
            {
                yield return s;
            }
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            return GetEnumerator();
        }
    }

    static void Main(string[] args)
    {
        foreach (var s in new FizzBuzzEnumerable().Take(int.Parse(args[0]))) 
        {
            Console.WriteLine(s);
        }
    }
}