linqInArray.cs

using System;
using System.Linq;

namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var ary = new int[,]{{1,2,4,5},{3,4,7,16}, {2,4,9,1},{6,3,0,2}};
            var rango =  Enumerable.Range(0, 4);
            var expr =
                from i in rango
                from j in rango
                where ary[i,j]%2==0 || ary[i,j]%3==0
                select new {i,j,n=ary[i,j]};
            foreach (var e in expr) {
                Console.WriteLine("{2} en ({0},{1})",e.i,e.j,e.n);
            }
        }
    }
}