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 | 2 |
| 3 | 8 |
| 4 | 9 |
| 5 | 10 |
| 6 | 15 |
| 7 | 18 |
| 8 | 24 |
| 9 | 30 |
| 10 | 60 |
| 11 | 720 |
| 12 | 1020 |
| 13 | 4080 |
| 14 | 8925 |
| 15 | 14688 |
| 16 | 14976 |
| 17 | 16728 |
| 18 | 17850 |
| 19 | 35700 |
| 20 | 36720 |
| 21 | 37440 |
| 22 | 66912 |
| 23 | 71400 |
| 24 | 285600 |
| 25 | 308448 |
| 26 | 381888 |
| 27 | 428400 |
| 28 | 602208 |
| 29 | 636480 |
| 30 | 763776 |
| 31 | 856800 |
| 32 | 1321920 |
| 33 | 1505520 |
| 34 | 3011040 |
| 35 | 3084480 |
| 36 | 21679488 |
| 37 | 22276800 |
| 38 | 30844800 |