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 | 480 |
| 1 | 4800 |
| 2 | 16800 |
| 3 | 40320 |
| 4 | 79200 |
| 5 | 137280 |
| 6 | 218400 |
| 7 | 326400 |
| 8 | 465120 |
| 9 | 638400 |
| 10 | 850080 |
| 11 | 1104000 |
| 12 | 1404000 |
| 13 | 1753920 |
| 14 | 2157600 |
| 15 | 2618880 |
| 16 | 3141600 |
| 17 | 3729600 |
| 18 | 4386720 |
| 19 | 5116800 |
| 20 | 5923680 |
| 21 | 6811200 |
| 22 | 7783200 |
| 23 | 8843520 |
| 24 | 9996000 |
| 25 | 11244480 |
| 26 | 12592800 |
| 27 | 14044800 |
| 28 | 15604320 |
| 29 | 17275200 |
| 30 | 19061280 |
| 31 | 20966400 |
| 32 | 22994400 |