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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 9 |
| 8 | 13 |
| 9 | 20 |
| 10 | 30 |
| 11 | 44 |
| 12 | 66 |
| 13 | 99 |
| 14 | 147 |
| 15 | 219 |
| 16 | 327 |
| 17 | 487 |
| 18 | 726 |
| 19 | 1083 |
| 20 | 1614 |
| 21 | 2406 |
| 22 | 3588 |
| 23 | 5349 |
| 24 | 7974 |
| 25 | 11889 |
| 26 | 17725 |
| 27 | 26426 |
| 28 | 39399 |
| 29 | 58739 |
| 30 | 87573 |
| 31 | 130563 |
| 32 | 194655 |
| 33 | 290208 |
| 34 | 432669 |
| 35 | 645062 |
| 36 | 961716 |
| 37 | 1433814 |
| 38 | 2137659 |
| 39 | 3187014 |
| 40 | 4751490 |
| 41 | 7083951 |