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 | 8 |
| 2 | 48 |
| 3 | 288 |
| 4 | 1728 |
| 5 | 10128 |
| 6 | 57780 |
| 7 | 305483 |
| 8 | 1239266 |
| 9 | 1879631 |
| 10 | 237320 |
| 11 | 778 |
| 12 | 21 |