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 | 1 |
| 2 | 8 |
| 3 | 32 |
| 4 | 128 |
| 5 | 216 |
| 6 | 864 |
| 7 | 3456 |
| 8 | 7776 |
| 9 | 13824 |
| 10 | 31104 |
| 11 | 108000 |
| 12 | 279936 |
| 13 | 432000 |
| 14 | 972000 |
| 15 | 1728000 |
| 16 | 3888000 |
| 17 | 15552000 |
| 18 | 34992000 |
| 19 | 62208000 |
| 20 | 97200000 |
| 21 | 139968000 |
| 22 | 248832000 |
| 23 | 333396000 |
| 24 | 559872000 |
| 25 | 592704000 |
| 26 | 874800000 |
| 27 | 1333584000 |
| 28 | 5334336000 |
| 29 | 12002256000 |
| 30 | 21337344000 |
| 31 | 33339600000 |