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 | 12 |
| 2 | 108 |
| 3 | 192 |
| 4 | 432 |
| 5 | 1452 |
| 6 | 2028 |
| 7 | 3468 |
| 8 | 4800 |
| 9 | 10092 |
| 10 | 18252 |
| 11 | 106032 |
| 12 | 139968 |
| 13 | 221952 |
| 14 | 284592 |
| 15 | 299568 |
| 16 | 355008 |
| 17 | 549552 |
| 18 | 618348 |
| 19 | 720300 |
| 20 | 786432 |
| 21 | 823728 |
| 22 | 961068 |
| 23 | 995328 |
| 24 | 1009200 |
| 25 | 1138368 |
| 26 | 1190700 |
| 27 | 1291008 |
| 28 | 1529388 |
| 29 | 1537968 |
| 30 | 1651692 |
| 31 | 1948908 |