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 | 0 |
| 1 | 0 |
| 2 | 24 |
| 3 | 96 |
| 4 | 240 |
| 5 | 480 |
| 6 | 840 |
| 7 | 1344 |
| 8 | 2016 |
| 9 | 2880 |
| 10 | 3960 |
| 11 | 5280 |
| 12 | 6864 |
| 13 | 8736 |
| 14 | 10920 |
| 15 | 13440 |
| 16 | 16320 |
| 17 | 19584 |
| 18 | 23256 |
| 19 | 27360 |
| 20 | 31920 |
| 21 | 36960 |
| 22 | 42504 |
| 23 | 48576 |
| 24 | 55200 |
| 25 | 62400 |
| 26 | 70200 |
| 27 | 78624 |
| 28 | 87696 |
| 29 | 97440 |
| 30 | 107880 |
| 31 | 119040 |
| 32 | 130944 |
| 33 | 143616 |
| 34 | 157080 |
| 35 | 171360 |
| 36 | 186480 |
| 37 | 202464 |
| 38 | 219336 |