Add fermat numbers in C

Update TrackingProgress.md

Author: philippossfrn

Fermat Numbers/fermat_numbers.c

@@ -0,0 +1,24 @@
+/*
+Compile Instructions:
+In order to compile this code use must link the math library.
+
+Example: gcc fermat_numbers.c -o exec -lm
+*/
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+    unsigned long long  base = 2, power, innerPower, endResult;
+    printf("Fermat Numbers Sequence: F_n = 2 ^ (2^n) + 1\n");
+    printf("Enter the power raised (n): ");
+    scanf("%llu",&power);
+
+    innerPower = pow(2,power); // Calculate 2 ^ n
+
+    endResult = pow(2,innerPower) + 1; // Calculate 2 ^ result + 1
+
+    printf("Result: 2 ^ (2^%llu) + 1 = %llu\n", power, endResult);
+
+    return 0;
+}

TrackingProgress.md

@@ -116,7 +116,7 @@
 <tr>
   <td align=center><p> &#9203;</p></td>
   <td><a href="./Fermat Numbers">Fermat numbers</a></td>
-  <td>Python, C++, Java, C#</td>
+  <td>Python, C++, Java, C#, C</td>
 </tr>
 <tr>
   <td align=center><p>  &#9989;</p></td>