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 | 0 |
| 1 | 0 |
| 2 | 54 |
| 3 | 216 |
| 4 | 540 |
| 5 | 1080 |
| 6 | 1890 |
| 7 | 3024 |
| 8 | 4536 |
| 9 | 6480 |
| 10 | 8910 |
| 11 | 11880 |
| 12 | 15444 |
| 13 | 19656 |
| 14 | 24570 |