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 | 18 |
| 5 | 360 |
| 6 | 540 |
| 7 | 600 |
| 8 | 1350 |
| 9 | 1500 |
| 10 | 2250 |
| 11 | 75600 |
| 12 | 105840 |
| 13 | 113400 |
| 14 | 126000 |
| 15 | 158760 |
| 16 | 246960 |
| 17 | 283500 |
| 18 | 294000 |
| 19 | 315000 |
| 20 | 411600 |
| 21 | 472500 |
| 22 | 555660 |
| 23 | 735000 |
| 24 | 864360 |
| 25 | 992250 |
| 26 | 1296540 |
| 27 | 1389150 |
| 28 | 1440600 |
| 29 | 1653750 |
| 30 | 2572500 |
| 31 | 3241350 |
| 32 | 3601500 |
| 33 | 3858750 |