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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 8 |
| 7 | 9 |
| 8 | 10 |
| 9 | 16 |
| 10 | 20 |
| 11 | 24 |
| 12 | 30 |
| 13 | 48 |
| 14 | 60 |
| 15 | 64 |
| 16 | 72 |
| 17 | 80 |
| 18 | 84 |
| 19 | 100 |
| 20 | 108 |
| 21 | 126 |
| 22 | 162 |
| 23 | 189 |
| 24 | 192 |
| 25 | 224 |
| 26 | 384 |
| 27 | 448 |
| 28 | 512 |
| 29 | 576 |
| 30 | 672 |
| 31 | 11520 |