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 | 4 |
| 4 | 7 |
| 5 | 12 |
| 6 | 24 |
| 7 | 39 |
| 8 | 72 |
| 9 | 125 |
| 10 | 224 |
| 11 | 387 |
| 12 | 697 |
| 13 | 1205 |
| 14 | 2141 |
| 15 | 3736 |
| 16 | 6598 |
| 17 | 11516 |
| 18 | 20331 |
| 19 | 35526 |
| 20 | 62507 |
| 21 | 109436 |
| 22 | 192200 |
| 23 | 336533 |
| 24 | 590582 |
| 25 | 1034187 |