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 | 72 |
| 3 | 120 |
| 4 | 1440 |
| 5 | 1680 |
| 6 | 2160 |
| 7 | 2520 |
| 8 | 37800 |
| 9 | 45360 |
| 10 | 50400 |
| 11 | 55440 |
| 12 | 65520 |
| 13 | 75600 |
| 14 | 83160 |
| 15 | 1441440 |
| 16 | 1663200 |
| 17 | 1801800 |
| 18 | 1884960 |
| 19 | 1965600 |
| 20 | 2106720 |
| 21 | 2162160 |
| 22 | 2751840 |
| 23 | 2827440 |
| 24 | 2882880 |
| 25 | 3326400 |
| 26 | 3603600 |