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 | 5 |
| 2 | 7 |
| 3 | 9 |
| 4 | 11 |
| 5 | 13 |
| 6 | 14 |
| 7 | 15 |
| 8 | 26 |
| 9 | 30 |
| 10 | 53 |
| 11 | 66 |
| 12 | 82 |
| 13 | 155 |
| 14 | 189 |
| 15 | 225 |
| 16 | 261 |
| 17 | 625 |
| 18 | 870 |
| 19 | 1071 |
| 20 | 7655 |
| 21 | 8191 |
| 22 | 8883 |
| 23 | 9226 |
| 24 | 12246 |
| 25 | 70274 |
| 26 | 71595 |
| 27 | 108009 |
| 28 | 127077 |