| 257 | x | 1 | = | 257 |
| 257 | x | 2 | = | 514 |
| 257 | x | 3 | = | 771 |
| 257 | x | 4 | = | 1028 |
| 257 | x | 5 | = | 1285 |
| 257 | x | 6 | = | 1542 |
| 257 | x | 7 | = | 1799 |
| 257 | x | 8 | = | 2056 |
| 257 | x | 9 | = | 2313 |
| 257 | x | 10 | = | 2570 |
| 257 | x | 11 | = | 2827 |
| 257 | x | 12 | = | 3084 |
| 257 | x | 13 | = | 3341 |
| 257 | x | 14 | = | 3598 |
| 257 | x | 15 | = | 3855 |
| 257 | x | 16 | = | 4112 |
| 257 | x | 17 | = | 4369 |
| 257 | x | 18 | = | 4626 |
| 257 | x | 19 | = | 4883 |
| 257 | x | 20 | = | 5140 |