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 | 4 |
| 3 | 18 |
| 4 | 24 |
| 5 | 150 |
| 6 | 180 |
| 7 | 210 |
| 8 | 1920 |
| 9 | 2160 |
| 10 | 2400 |
| 11 | 2640 |
| 12 | 2880 |
| 13 | 40560 |
| 14 | 43680 |
| 15 | 46800 |
| 16 | 49920 |
| 17 | 53040 |
| 18 | 56160 |
| 19 | 59280 |
| 20 | 62400 |
| 21 | 1375920 |
| 22 | 1441440 |
| 23 | 1506960 |
| 24 | 1572480 |
| 25 | 1638000 |
| 26 | 1703520 |
| 27 | 1769040 |
| 28 | 1834560 |
| 29 | 1900080 |
| 30 | 1965600 |
| 31 | 2031120 |
| 32 | 2096640 |
| 33 | 2162160 |