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 | 9 |
| 4 | 12 |
| 5 | 18 |
| 6 | 80 |
| 7 | 448 |
| 8 | 625 |
| 9 | 720 |
| 10 | 1200 |
| 11 | 1250 |
| 12 | 1620 |
| 13 | 2025 |
| 14 | 4032 |
| 15 | 4050 |
| 16 | 5625 |
| 17 | 7500 |
| 18 | 9408 |
| 19 | 11250 |
| 20 | 11264 |
| 21 | 20412 |
| 22 | 35721 |
| 23 | 53248 |
| 24 | 71442 |
| 25 | 101376 |
| 26 | 117649 |
| 27 | 235298 |
| 28 | 280000 |
| 29 | 371712 |
| 30 | 479232 |
| 31 | 768320 |
| 32 | 907200 |
| 33 | 1058841 |
| 34 | 1114112 |
| 35 | 1270080 |
| 36 | 1411788 |
| 37 | 1750000 |