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 | 1 |
| 6 | 12 |
| 7 | 1 |
| 8 | 16 |
| 9 | 9 |
| 10 | 80 |
| 11 | 1 |
| 12 | 3456 |
| 13 | 1 |
| 14 | 448 |
| 15 | 2025 |
| 16 | 2048 |
| 17 | 1 |
| 18 | 186624 |
| 19 | 1 |
| 20 | 1024000 |
| 21 | 35721 |
| 22 | 11264 |
| 23 | 1 |
| 24 | 573308928 |
| 25 | 625 |
| 26 | 53248 |
| 27 | 59049 |
| 28 | 179830784 |
| 29 | 1 |
| 30 | 1007769600000 |
| 31 | 1 |
| 32 | 67108864 |
| 33 | 7144929 |
| 34 | 1114112 |
| 35 | 37515625 |
| 36 | 160489808068608 |
| 37 | 1 |
| 38 | 4980736 |
| 39 | 89813529 |