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 | 8 |
| 6 | 12 |
| 7 | 18 |
| 8 | 24 |
| 9 | 36 |
| 10 | 66 |
| 11 | 72 |
| 12 | 76 |
| 13 | 344 |
| 14 | 396 |
| 15 | 804 |
| 16 | 946 |
| 17 | 1548 |
| 18 | 1986 |
| 19 | 3336 |
| 20 | 5526 |
| 21 | 7596 |
| 22 | 8196 |
| 23 | 8646 |
| 24 | 10116 |
| 25 | 11916 |
| 26 | 21846 |
| 27 | 25156 |
| 28 | 34056 |
| 29 | 43352 |
| 30 | 47972 |
| 31 | 51426 |
| 32 | 66788 |
| 33 | 117522 |
| 34 | 131076 |
| 35 | 180246 |
| 36 | 195084 |
| 37 | 199606 |
| 38 | 250284 |
| 39 | 265826 |
| 40 | 307876 |
| 41 | 319404 |