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 | 6 |
| 3 | 54 |
| 4 | 78 |
| 5 | 1296 |
| 6 | 1482 |
| 7 | 6480 |
| 8 | 6552 |
| 9 | 14040 |
| 10 | 20160 |
| 11 | 36936 |
| 12 | 1273896 |