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 | 30240 |
| 2 | 32760 |
| 3 | 2178540 |
| 4 | 23569920 |
| 5 | 45532800 |
| 6 | 46475520 |
| 7 | 48933360 |
| 8 | 50995620 |
| 9 | 60933600 |
| 10 | 69995520 |
| 11 | 72807696 |
| 12 | 142990848 |