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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 5 |
| 7 | 10 |
| 8 | 15 |
| 9 | 28 |
| 10 | 47 |
| 11 | 90 |
| 12 | 158 |
| 13 | 298 |
| 14 | 548 |
| 15 | 1034 |
| 16 | 1928 |
| 17 | 3658 |
| 18 | 6899 |
| 19 | 13136 |
| 20 | 24970 |
| 21 | 47710 |
| 22 | 91181 |
| 23 | 174858 |
| 24 | 335546 |
| 25 | 645436 |
| 26 | 1242767 |
| 27 | 2397044 |
| 28 | 4628198 |
| 29 | 8948416 |
| 30 | 17318417 |
| 31 | 33555466 |
| 32 | 65075294 |
| 33 | 126324496 |
| 34 | 245426708 |