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 | 5 |
| 3 | 9 |
| 4 | 22 |
| 5 | 112 |
| 6 | 118 |
| 7 | 93 |
| 8 | 899 |
| 9 | 2346 |
| 10 | 1773 |
| 11 | 386 |
| 12 | 5940 |
| 13 | 27446 |
| 14 | 48426 |
| 15 | 28650 |
| 16 | 1586 |
| 17 | 35138 |
| 18 | 247752 |
| 19 | 745180 |
| 20 | 995290 |
| 21 | 484578 |