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 | 8 |
| 2 | 36 |
| 3 | 36 |
| 4 | 154 |
| 5 | 540 |
| 6 | 154 |
| 7 | 638 |
| 8 | 7370 |
| 9 | 7370 |
| 10 | 638 |
| 11 | 2583 |
| 12 | 95567 |
| 13 | 317656 |
| 14 | 95567 |
| 15 | 2583 |
| 16 | 10283 |
| 17 | 1196837 |
| 18 | 12904303 |
| 19 | 12904303 |
| 20 | 1196837 |
| 21 | 10283 |
| 22 | 40437 |
| 23 | 14599041 |
| 24 | 501622631 |
| 25 | 1630978608 |
| 26 | 501622631 |
| 27 | 14599041 |
| 28 | 40437 |
| 29 | 157577 |
| 30 | 174544948 |
| 31 | 18836416881 |