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 | 6 |
| 3 | 48 |
| 4 | 384 |
| 5 | 240 |
| 6 | 288 |
| 7 | 672 |
| 8 | 6144 |
| 9 | 1296 |
| 10 | 1440 |
| 11 | 2640 |
| 12 | 18432 |
| 13 | 4368 |
| 14 | 4032 |
| 15 | 11520 |
| 16 | 49152 |
| 17 | 9792 |
| 18 | 7776 |
| 19 | 13680 |
| 20 | 92160 |
| 21 | 32256 |
| 22 | 15840 |
| 23 | 24288 |
| 24 | 294912 |
| 25 | 30000 |
| 26 | 26208 |
| 27 | 34992 |
| 28 | 258048 |
| 29 | 48720 |
| 30 | 69120 |
| 31 | 59520 |
| 32 | 393216 |
| 33 | 126720 |
| 34 | 58752 |
| 35 | 161280 |
| 36 | 497664 |
| 37 | 101232 |
| 38 | 82080 |
| 39 | 209664 |
| 40 | 1474560 |