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 | 0 |
| 2 | 8 |
| 3 | 144 |
| 4 | 768 |
| 5 | 2558 |
| 6 | 6564 |
| 7 | 14334 |
| 8 | 27626 |
| 9 | 48828 |
| 10 | 80772 |
| 11 | 126692 |
| 12 | 190230 |
| 13 | 275700 |
| 14 | 388016 |
| 15 | 532386 |
| 16 | 714906 |
| 17 | 941600 |
| 18 | 1219410 |
| 19 | 1556184 |
| 20 | 1959608 |
| 21 | 2438868 |
| 22 | 3002700 |