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 | 24 |
| 4 | 60 |
| 5 | 120 |
| 6 | 144 |
| 7 | 336 |
| 8 | 536 |
| 9 | 714 |
| 10 | 720 |
| 11 | 1320 |
| 12 | 1440 |
| 13 | 2184 |
| 14 | 2016 |
| 15 | 2880 |
| 16 | 4528 |
| 17 | 4896 |
| 18 | 4284 |
| 19 | 6840 |
| 20 | 7200 |
| 21 | 8064 |
| 22 | 7920 |
| 23 | 12144 |
| 24 | 12864 |
| 25 | 15540 |
| 26 | 13104 |
| 27 | 19908 |
| 28 | 20160 |
| 29 | 24360 |
| 30 | 17280 |
| 31 | 29760 |
| 32 | 37216 |
| 33 | 31680 |
| 34 | 29376 |
| 35 | 40320 |
| 36 | 42840 |
| 37 | 50616 |
| 38 | 41040 |
| 39 | 52416 |
| 40 | 64320 |
| 41 | 68880 |
| 42 | 48384 |
| 43 | 79464 |
| 44 | 79200 |
| 45 | 85680 |
| 46 | 72864 |