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 | 0 |
| 2 | 2 |
| 3 | 3 |
| 4 | 9 |
| 5 | 11 |
| 6 | 18 |
| 7 | 74 |
| 8 | 131 |
| 9 | 144 |
| 10 | 161 |
| 11 | 224 |
| 12 | 282 |
| 13 | 390 |
| 14 | 398 |
| 15 | 614 |
| 16 | 791 |
| 17 | 1313 |
| 18 | 1866 |
| 19 | 9708 |
| 20 | 10544 |
| 21 | 13292 |
| 22 | 13394 |
| 23 | 29703 |
| 24 | 30779 |
| 25 | 72446 |