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 | 12 |
| 4 | 24 |
| 5 | 36 |
| 6 | 72 |
| 7 | 240 |
| 8 | 480 |
| 9 | 720 |
| 10 | 1440 |
| 11 | 3360 |
| 12 | 4320 |
| 13 | 5280 |
| 14 | 6240 |
| 15 | 6720 |
| 16 | 8160 |
| 17 | 9120 |
| 18 | 10080 |
| 19 | 11040 |
| 20 | 13440 |
| 21 | 13920 |
| 22 | 14880 |
| 23 | 15840 |
| 24 | 17760 |
| 25 | 18720 |
| 26 | 19680 |
| 27 | 20160 |
| 28 | 20640 |
| 29 | 21600 |
| 30 | 22560 |
| 31 | 24480 |
| 32 | 25440 |
| 33 | 27360 |
| 34 | 28320 |
| 35 | 29280 |
| 36 | 32160 |
| 37 | 33120 |
| 38 | 34080 |