new file mode 100644
--- /dev/null
+++ b/folge.c
@@ -0,0 +1,23 @@
+/*
+ *     $Id: folge.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $
+ * $Source: /development/c/demos/folge.c,v $
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int main (int argc, char **argv)
+{
+    int N;
+
+    if (argc != 2) {
+        printf ("Usage: %s <value>\n", argv[0]);
+        return EXIT_FAILURE;
+    }
+
+    for (N = 1; N <= atoi (argv[1]) + 1; N++)
+        printf ("[2^%d]: %.1f\n", N - 1, pow (2, N - 1));
+
+    return EXIT_SUCCESS;
+}