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 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 1 |
| 7 | 6 |
| 8 | 12 |
| 9 | 7 |
| 10 | 1 |
| 11 | 24 |
| 12 | 48 |
| 13 | 32 |
| 14 | 10 |
| 15 | 1 |
| 16 | 120 |
| 17 | 240 |
| 18 | 160 |
| 19 | 62 |
| 20 | 13 |
| 21 | 1 |
| 22 | 720 |
| 23 | 1440 |
| 24 | 960 |
| 25 | 384 |
| 26 | 102 |
| 27 | 16 |
| 28 | 1 |
| 29 | 5040 |
| 30 | 10080 |
| 31 | 6720 |
| 32 | 2688 |
| 33 | 762 |
| 34 | 152 |
| 35 | 19 |
| 36 | 1 |
| 37 | 40320 |
| 38 | 80640 |
| 39 | 53760 |
| 40 | 21504 |
| 41 | 6144 |
| 42 | 1336 |
| 43 | 212 |
| 44 | 22 |
| 45 | 1 |