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 | 4 |
| 4 | 6 |
| 5 | 12 |
| 6 | 24 |
| 7 | 36 |
| 8 | 48 |
| 9 | 72 |
| 10 | 144 |
| 11 | 288 |
| 12 | 432 |
| 13 | 864 |
| 14 | 1728 |
| 15 | 2592 |
| 16 | 3456 |
| 17 | 5184 |
| 18 | 10368 |
| 19 | 20736 |
| 20 | 31104 |
| 21 | 41472 |
| 22 | 62208 |
| 23 | 124416 |
| 24 | 248832 |
| 25 | 373248 |
| 26 | 746496 |
| 27 | 1492992 |
| 28 | 2239488 |
| 29 | 2985984 |
| 30 | 4478976 |
| 31 | 8957952 |
| 32 | 17915904 |
| 33 | 26873856 |
| 34 | 53747712 |
| 35 | 107495424 |
| 36 | 161243136 |
| 37 | 214990848 |
| 38 | 322486272 |