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 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 6 |
| 6 | 10 |
| 7 | 9 |
| 8 | 19 |
| 9 | 22 |
| 10 | 65 |
| 11 | 88 |
| 12 | 114 |
| 13 | 187 |
| 14 | 395 |
| 15 | 376 |
| 16 | 888 |
| 17 | 520 |
| 18 | 2645 |
| 19 | 2017 |
| 20 | 3303 |
| 21 | 3590 |
| 22 | 8820 |
| 23 | 9408 |
| 24 | 5785 |
| 25 | 7792 |
| 26 | 24181 |
| 27 | 27047 |
| 28 | 74720 |
| 29 | 68731 |
| 30 | 153394 |
| 31 | 159394 |
| 32 | 369957 |
| 33 | 1261522 |
| 34 | 4326030 |
| 35 | 4924898 |
| 36 | 6538595 |
| 37 | 9754155 |
| 38 | 10068484 |
| 39 | 10541264 |
| 40 | 24936678 |