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 | 6 |
| 2 | 48 |
| 3 | 96 |
| 4 | 960 |
| 5 | 160 |
| 6 | 1536 |
| 7 | 5760 |
| 8 | 30720 |
| 9 | 725760 |
| 10 | 1935360 |
| 11 | 34560 |
| 12 | 165888 |
| 13 | 23224320 |
| 14 | 1161216 |
| 15 | 4644864 |
| 16 | 92897280 |
| 17 | 4644864 |
| 18 | 5806080 |
| 19 | 663552 |
| 20 | 21233664 |
| 21 | 464486400 |
| 22 | 3715891200 |
| 23 | 232243200 |
| 24 | 619315200 |
| 25 | 11354112 |
| 26 | 81749606400 |
| 27 | 185794560 |
| 28 | 2123366400 |
| 29 | 26542080 |
| 30 | 70778880 |