Data commit

Task/Leonardo-numbers/C-sharp/leonardo-numbers.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Linq;
+
+public class Program
+{
+    public static void Main() {
+        Console.WriteLine(string.Join(" ", Leonardo().Take(25)));
+        Console.WriteLine(string.Join(" ", Leonardo(L0: 0, L1: 1, add: 0).Take(25)));
+    }
+
+    public static IEnumerable<int> Leonardo(int L0 = 1, int L1 = 1, int add = 1) {
+        while (true) {
+            yield return L0;
+            (L0, L1) = (L1, L0 + L1 + add);
+        }
+    }
+}