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 | 18 |
| 2 | 60 |
| 3 | 900 |
| 4 | 360 |
| 5 | 1800 |
| 6 | 3360 |
| 7 | 14400 |
| 8 | 5040 |
| 9 | 44100 |
| 10 | 15120 |
| 11 | 508032 |
| 12 | 27720 |
| 13 | 396900 |
| 14 | 98280 |