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 | 6 |
| 4 | 12 |
| 5 | 24 |
| 6 | 72 |
| 7 | 120 |
| 8 | 240 |
| 9 | 480 |
| 10 | 1440 |
| 11 | 2880 |
| 12 | 5760 |
| 13 | 8640 |
| 14 | 17280 |
| 15 | 65280 |
| 16 | 86400 |
| 17 | 120960 |
| 18 | 130560 |
| 19 | 259200 |
| 20 | 391680 |
| 21 | 783360 |
| 22 | 1566720 |
| 23 | 2350080 |
| 24 | 4700160 |
| 25 | 23500800 |
| 26 | 32901120 |
| 27 | 47001600 |
| 28 | 70502400 |
| 29 | 94003200 |
| 30 | 470016000 |
| 31 | 1410048000 |
| 32 | 2820096000 |
| 33 | 4294901760 |
| 34 | 5640192000 |
| 35 | 8460288000 |