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 | 2 |
| 3 | 6 |
| 4 | 10 |
| 5 | 20 |
| 6 | 22 |
| 7 | 46 |
| 8 | 48 |
| 9 | 58 |
| 10 | 82 |
| 11 | 106 |
| 12 | 166 |
| 13 | 178 |
| 14 | 180 |
| 15 | 208 |
| 16 | 226 |
| 17 | 262 |
| 18 | 346 |
| 19 | 358 |
| 20 | 382 |
| 21 | 466 |
| 22 | 478 |
| 23 | 502 |
| 24 | 864 |
| 25 | 1120 |
| 26 | 3552 |