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 | 10 |
| 3 | 24 |
| 4 | 36 |
| 5 | 120 |
| 6 | 144 |
| 7 | 216 |
| 8 | 576 |
| 9 | 720 |
| 10 | 864 |
| 11 | 1296 |
| 12 | 2880 |
| 13 | 3456 |
| 14 | 4320 |
| 15 | 5040 |
| 16 | 5184 |
| 17 | 7776 |
| 18 | 13824 |
| 19 | 14400 |
| 20 | 17280 |
| 21 | 20736 |
| 22 | 25920 |
| 23 | 30240 |
| 24 | 31104 |
| 25 | 40320 |
| 26 | 46656 |
| 27 | 69120 |
| 28 | 82944 |
| 29 | 86400 |