-------------------------
| Argument | Return Value |
|----------|--------------
|     1    |      1       |
|     2    |      2       |
|     3    |      6       |
|     4    |      24      |
|     5    |      120     |
|     6    |      720     |
|     7    |      5040    |
|     8    |      40320   | 
|     9    |      272160  |
|    10    |      2721600 |
 ---------- --------------

So that if your program wanted to compute <code>fibonacci(5)
##</code><code>##

use Memoize;
memoize('fibonacci');