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 | 2880 |
| 2 | 27720 |
| 3 | 40320 |
| 4 | 49920 |
| 5 | 63360 |
| 6 | 98280 |
| 7 | 241920 |
| 8 | 282744 |
| 9 | 491400 |
| 10 | 547200 |
| 11 | 604800 |
| 12 | 950400 |
| 13 | 970200 |
| 14 | 1048320 |
| 15 | 1370880 |
| 16 | 1614600 |
| 17 | 1774080 |
| 18 | 2489760 |
| 19 | 2608320 |
| 20 | 2882880 |
| 21 | 2923200 |
| 22 | 3931200 |
| 23 | 4817400 |
| 24 | 6126120 |
| 25 | 7338240 |
| 26 | 7673400 |
| 27 | 8426880 |
| 28 | 10200960 |