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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 8 |
| 5 | 15 |
| 6 | 1 |
| 7 | 27 |
| 8 | 368 |
| 9 | 1024 |
| 10 | 1 |
| 11 | 64 |
| 12 | 2727 |
| 13 | 53672 |
| 14 | 198581 |
| 15 | 1 |
| 16 | 125 |
| 17 | 11904 |
| 18 | 710532 |
| 19 | 18417792 |
| 20 | 85102056 |
| 21 | 1 |
| 22 | 216 |
| 23 | 38375 |
| 24 | 4975936 |
| 25 | 386023509 |
| 26 | 12448430408 |
| 27 | 68999174203 |
| 28 | 1 |
| 29 | 343 |
| 30 | 101520 |
| 31 | 23945000 |
| 32 | 3977848832 |
| 33 | 381535651512 |
| 34 | 14734002979456 |
| 35 | 95264160938080 |