This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 510510 |
| 2 | 1021020 |
| 3 | 1531530 |
| 4 | 2042040 |
| 5 | 2552550 |
| 6 | 3063060 |
| 7 | 3573570 |
| 8 | 4084080 |
| 9 | 4594590 |
| 10 | 5105100 |
| 11 | 5615610 |
| 12 | 6126120 |
| 13 | 6636630 |
| 14 | 7147140 |
| 15 | 7657650 |
| 16 | 8168160 |
| 17 | 8678670 |
| 18 | 9189180 |
| 19 | 10210200 |
| 20 | 10720710 |
| 21 | 11231220 |
| 22 | 12252240 |
| 23 | 12762750 |
| 24 | 13273260 |
| 25 | 13783770 |