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 | 72 |
| 4 | 144 |
| 5 | 240 |
| 6 | 360 |
| 7 | 504 |
| 8 | 672 |
| 9 | 864 |
| 10 | 1080 |
| 11 | 1320 |
| 12 | 1584 |
| 13 | 1872 |
| 14 | 2184 |
| 15 | 2520 |
| 16 | 2880 |
| 17 | 3264 |
| 18 | 3672 |
| 19 | 4104 |
| 20 | 4560 |
| 21 | 5040 |
| 22 | 5544 |
| 23 | 6072 |
| 24 | 6624 |
| 25 | 7200 |
| 26 | 7800 |
| 27 | 8424 |
| 28 | 9072 |
| 29 | 9744 |
| 30 | 10440 |
| 31 | 11160 |
| 32 | 11904 |
| 33 | 12672 |
| 34 | 13464 |
| 35 | 14280 |
| 36 | 15120 |
| 37 | 15984 |
| 38 | 16872 |
| 39 | 17784 |
| 40 | 18720 |
| 41 | 19680 |
| 42 | 20664 |
| 43 | 21672 |