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 | 3 |
| 2 | 2 |
| 3 | 6 |
| 4 | 11 |
| 5 | 32 |
| 6 | 72 |
| 7 | 207 |
| 8 | 530 |
| 9 | 1434 |
| 10 | 3575 |
| 11 | 8475 |
| 12 | 17814 |
| 13 | 32643 |
| 14 | 49583 |
| 15 | 60964 |
| 16 | 58922 |
| 17 | 44513 |
| 18 | 26397 |
| 19 | 12494 |
| 20 | 4791 |
| 21 | 1493 |
| 22 | 390 |
| 23 | 83 |
| 24 | 17 |
| 25 | 3 |
| 26 | 1 |