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 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 15 |
| 5 | 31 |
| 6 | 54 |
| 7 | 105 |
| 8 | 166 |
| 9 | 298 |
| 10 | 478 |
| 11 | 863 |
| 12 | 1307 |
| 13 | 2247 |
| 14 | 3500 |
| 15 | 6136 |
| 16 | 9032 |
| 17 | 15084 |
| 18 | 23039 |
| 19 | 39599 |
| 20 | 57955 |
| 21 | 96019 |
| 22 | 145627 |
| 23 | 248223 |
| 24 | 357650 |
| 25 | 583274 |
| 26 | 875459 |
| 27 | 1476754 |
| 28 | 2131618 |
| 29 | 3476550 |
| 30 | 5210521 |
| 31 | 8766473 |
| 32 | 12498445 |
| 33 | 20138409 |
| 34 | 29952394 |
| 35 | 50020414 |
| 36 | 71658602 |
| 37 | 115850282 |