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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 6 |
| 7 | 12 |
| 8 | 18 |
| 9 | 24 |
| 10 | 36 |
| 11 | 54 |
| 12 | 72 |
| 13 | 108 |
| 14 | 162 |
| 15 | 216 |
| 16 | 324 |
| 17 | 486 |
| 18 | 648 |
| 19 | 972 |
| 20 | 1458 |
| 21 | 1944 |
| 22 | 2916 |
| 23 | 4374 |
| 24 | 5832 |
| 25 | 8748 |
| 26 | 13122 |
| 27 | 17496 |
| 28 | 26244 |
| 29 | 39366 |
| 30 | 52488 |
| 31 | 78732 |
| 32 | 118098 |
| 33 | 157464 |
| 34 | 236196 |
| 35 | 354294 |
| 36 | 472392 |
| 37 | 708588 |
| 38 | 1062882 |
| 39 | 1417176 |
| 40 | 2125764 |
| 41 | 3188646 |
| 42 | 4251528 |
| 43 | 6377292 |