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 | 10 |
| 2 | 20 |
| 3 | 30 |
| 4 | 60 |
| 5 | 90 |
| 6 | 120 |
| 7 | 180 |
| 8 | 240 |
| 9 | 360 |
| 10 | 480 |
| 11 | 540 |
| 12 | 600 |
| 13 | 720 |
| 14 | 1080 |
| 15 | 1440 |
| 16 | 2160 |
| 17 | 4320 |