Sequence

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

namespace Sequence
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 7; i < 100; i += 7)
            {
                Console.Write(i + " ");
            }
            Console.ReadKey();
        }
    }
}