| 1 |
| 22 |
| 3 |
| 4 |
| 1 |
| 2 |
| 3 |
| 2 |
| 1 |
| 22 |
| 1 |
| 32 |
| 3 |
| 4 |
| 8 |
| 9 |
| 1 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 4 |
| 3 |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| 1002 |
| 1 |
| 22 |
| 1 |
| 32 |
| 1 |
| 42 |
| 1 |
| n2 |
| 1 |
| 2 |
| 101 |
| 100 |
| 101 |
| 200 |
| 1 |
| 2 |
| n+1 |
| n |
| n+1 |
| 2n |
| 1 |
| 2 |
| 101 |
| 100 |
| 101 |
| 200 |
| 1 |
| 2 |
| n+1 |
| n |
| n+1 |
| 2n |
| 1999×1999-1999 |
| 1998×1998+1998 |
| 2000×2000-2000 |
| 1999×1999+1999 |
| 2001×2001-2001 |
| 2000×2000+2000 |
| 1 |
| 3 |
| 1 |
| 8 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2 |