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 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 324 |
| 6 | 576 |
| 7 | 4356 |
| 8 | 5476 |
| 9 | 23104 |
| 10 | 32041 |
| 11 | 13527684 |
| 12 | 13675204 |
| 13 | 17430625 |
| 14 | 21307456 |
| 15 | 34857216 |
| 16 | 35617024 |
| 17 | 43507216 |
| 18 | 56731024 |
| 19 | 65318724 |
| 20 | 73256481 |
| 21 | 81432576 |
| 22 | 102576384 |
| 23 | 105637284 |
| 24 | 139854276 |
| 25 | 152843769 |
| 26 | 157326849 |
| 27 | 158306724 |
| 28 | 176305284 |
| 29 | 180472356 |
| 30 | 183467025 |
| 31 | 187635204 |