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 | 5 |
| 5 | 23 |
| 6 | 14 |
| 7 | 14 |
| 8 | 131 |
| 9 | 233 |
| 10 | 84 |
| 11 | 42 |
| 12 | 664 |
| 13 | 2339 |
| 14 | 2367 |
| 15 | 594 |
| 16 | 132 |
| 17 | 3166 |
| 18 | 18520 |
| 19 | 36265 |
| 20 | 24714 |
| 21 | 4719 |
| 22 | 429 |
| 23 | 14545 |
| 24 | 127511 |
| 25 | 408311 |
| 26 | 527757 |
| 27 | 266219 |
| 28 | 40898 |