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) |
|---|---|
| 0 | 2 |
| 1 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 8 |
| 5 | 24 |
| 6 | 27 |
| 7 | 108 |
| 8 | 112 |
| 9 | 560 |
| 10 | 565 |
| 11 | 3390 |
| 12 | 3396 |
| 13 | 23772 |
| 14 | 23779 |
| 15 | 190232 |
| 16 | 190240 |
| 17 | 1712160 |
| 18 | 1712169 |
| 19 | 17121690 |
| 20 | 17121700 |
| 21 | 188338700 |
| 22 | 188338711 |
| 23 | 2260064532 |
| 24 | 2260064544 |
| 25 | 29380839072 |
| 26 | 29380839085 |
| 27 | 411331747190 |
| 28 | 411331747204 |
| 29 | 6169976208060 |
| 30 | 6169976208075 |
| 31 | 98719619329200 |