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 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 24 |
| 5 | 74 |
| 6 | 269 |
| 7 | 876 |
| 8 | 2788 |
| 9 | 7639 |
| 10 | 17828 |
| 11 | 32326 |
| 12 | 44375 |
| 13 | 46456 |
| 14 | 39213 |
| 15 | 26865 |
| 16 | 15470 |
| 17 | 7278 |
| 18 | 2917 |
| 19 | 913 |
| 20 | 254 |
| 21 | 49 |
| 22 | 11 |
| 23 | 1 |
| 24 | 1 |