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 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 1 |
| 4 | 49 |
| 5 | 225 |
| 6 | 36 |
| 7 | 730 |
| 8 | 4097 |
| 9 | 2025 |
| 10 | 4761 |
| 11 | 48401 |
| 12 | 46225 |
| 13 | 13456 |
| 14 | 432965 |
| 15 | 703922 |
| 16 | 1 |
| 17 | 3066002 |
| 18 | 8185321 |
| 19 | 1134225 |
| 20 | 16974401 |
| 21 | 78145601 |
| 22 | 35545444 |
| 23 | 67043345 |
| 24 | 632572802 |