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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 5 |
| 7 | 6 |
| 8 | 14 |
| 9 | 22 |
| 10 | 51 |
| 11 | 95 |
| 12 | 232 |
| 13 | 498 |
| 14 | 1239 |
| 15 | 2953 |
| 16 | 7520 |
| 17 | 18920 |
| 18 | 49235 |
| 19 | 127917 |
| 20 | 338094 |
| 21 | 896060 |
| 22 | 2397627 |
| 23 | 6439730 |
| 24 | 17403252 |
| 25 | 47207620 |
| 26 | 128628877 |
| 27 | 351676075 |
| 28 | 964909660 |
| 29 | 2655474962 |
| 30 | 7329668097 |
| 31 | 20285420790 |
| 32 | 56284927718 |
| 33 | 156539620498 |
| 34 | 436343744531 |