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 | 24 |
| 2 | 2160 |
| 3 | 2640 |
| 4 | 4320 |
| 5 | 51840 |
| 6 | 65280 |
| 7 | 115200 |
| 8 | 138240 |
| 9 | 194400 |
| 10 | 186048 |
| 11 | 276480 |
| 12 | 483840 |
| 13 | 622080 |
| 14 | 700416 |
| 15 | 950400 |
| 16 | 984960 |
| 17 | 1118880 |
| 18 | 1128960 |
| 19 | 1612800 |
| 20 | 2661120 |
| 21 | 3937248 |
| 22 | 3617280 |
| 23 | 5019840 |
| 24 | 6128640 |
| 25 | 5806080 |
| 26 | 7375680 |
| 27 | 8467200 |
| 28 | 11583936 |