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 | 27 |
| 4 | 441 |
| 5 | 9261 |
| 6 | 421875 |
| 7 | 47177249 |
| 8 | 10546683057 |
| 9 | 4466853289709 |
| 10 | 3723323714676297 |
| 11 | 6207276939337266129 |
| 12 | 20676801823320497569317 |
| 13 | 136896643642841500100918369 |