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 | 4 |
| 2 | 7 |
| 3 | 8 |
| 4 | 11 |
| 5 | 16 |
| 6 | 22 |
| 7 | 28 |
| 8 | 29 |
| 9 | 79 |
| 10 | 91 |
| 11 | 170 |
| 12 | 293 |
| 13 | 392 |
| 14 | 1898 |
| 15 | 2597 |
| 16 | 3641 |
| 17 | 4099 |
| 18 | 8236 |
| 19 | 11393 |
| 20 | 17969 |
| 21 | 18503 |
| 22 | 33322 |