| 251 | x | 1 | = | 251 |
| 251 | x | 2 | = | 502 |
| 251 | x | 3 | = | 753 |
| 251 | x | 4 | = | 1004 |
| 251 | x | 5 | = | 1255 |
| 251 | x | 6 | = | 1506 |
| 251 | x | 7 | = | 1757 |
| 251 | x | 8 | = | 2008 |
| 251 | x | 9 | = | 2259 |
| 251 | x | 10 | = | 2510 |
| 251 | x | 11 | = | 2761 |
| 251 | x | 12 | = | 3012 |
| 251 | x | 13 | = | 3263 |
| 251 | x | 14 | = | 3514 |
| 251 | x | 15 | = | 3765 |
| 251 | x | 16 | = | 4016 |
| 251 | x | 17 | = | 4267 |
| 251 | x | 18 | = | 4518 |
| 251 | x | 19 | = | 4769 |
| 251 | x | 20 | = | 5020 |