| 421 | x | 1 | = | 421 |
| 421 | x | 2 | = | 842 |
| 421 | x | 3 | = | 1263 |
| 421 | x | 4 | = | 1684 |
| 421 | x | 5 | = | 2105 |
| 421 | x | 6 | = | 2526 |
| 421 | x | 7 | = | 2947 |
| 421 | x | 8 | = | 3368 |
| 421 | x | 9 | = | 3789 |
| 421 | x | 10 | = | 4210 |
| 421 | x | 11 | = | 4631 |
| 421 | x | 12 | = | 5052 |
| 421 | x | 13 | = | 5473 |
| 421 | x | 14 | = | 5894 |
| 421 | x | 15 | = | 6315 |
| 421 | x | 16 | = | 6736 |
| 421 | x | 17 | = | 7157 |
| 421 | x | 18 | = | 7578 |
| 421 | x | 19 | = | 7999 |
| 421 | x | 20 | = | 8420 |
| 421 | x | 21 | = | 8841 |
| 421 | x | 22 | = | 9262 |
| 421 | x | 23 | = | 9683 |
| 421 | x | 24 | = | 10104 |
| 421 | x | 25 | = | 10525 |
| 421 | x | 26 | = | 10946 |
| 421 | x | 27 | = | 11367 |
| 421 | x | 28 | = | 11788 |
| 421 | x | 29 | = | 12209 |
| 421 | x | 30 | = | 12630 |