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) |
|---|---|
| 0 | 1 |
| 1 | 48 |
| 2 | 624 |
| 3 | 1344 |
| 4 | 5232 |
| 5 | 6048 |
| 6 | 17472 |
| 7 | 16512 |
| 8 | 42096 |
| 9 | 36336 |
| 10 | 78624 |
| 11 | 63936 |
| 12 | 146496 |
| 13 | 105504 |
| 14 | 214656 |
| 15 | 169344 |
| 16 | 337008 |
| 17 | 235872 |
| 18 | 472368 |
| 19 | 329280 |
| 20 | 659232 |
| 21 | 462336 |
| 22 | 831168 |
| 23 | 584064 |
| 24 | 1178688 |
| 25 | 756048 |
| 26 | 1371552 |
| 27 | 981120 |
| 28 | 1799808 |
| 29 | 1170720 |
| 30 | 2201472 |