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 | 3 |
| 2 | 4 |
| 3 | 3 |
| 4 | 4 |
| 5 | 12 |
| 6 | 6 |
| 7 | 3 |
| 8 | 4 |
| 9 | 3 |
| 10 | 12 |
| 11 | 20 |
| 12 | 24687390 |
| 13 | 3 |
| 14 | 72 |
| 15 | 62 |
| 16 | 4 |
| 17 | 20 |
| 18 | 1102903830 |
| 19 | 12 |
| 20 | 58051620 |
| 21 | 3 |
| 22 | 1793172 |
| 23 | 468 |
| 24 | 1035844571580 |
| 25 | 62 |
| 26 | 882 |
| 27 | 398 |
| 28 | 75274140 |
| 29 | 6 |
| 30 | 81206805256038 |
| 31 | 14 |
| 32 | 1288005000 |
| 33 | 78428 |
| 34 | 93888 |
| 35 | 37664 |
| 36 | 24380304369772260 |
| 37 | 432 |
| 38 | 3300 |
| 39 | 21962 |