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 | 4 |
| 3 | 9 |
| 4 | -64 |
| 5 | 25 |
| 6 | 1296 |
| 7 | 49 |
| 8 | 4096 |
| 9 | -729 |
| 10 | 10000 |
| 11 | 121 |
| 12 | 2985984 |
| 13 | 169 |
| 14 | 38416 |
| 15 | 50625 |
| 16 | -1048576 |
| 17 | 289 |
| 18 | 34012224 |
| 19 | 361 |
| 20 | 64000000 |
| 21 | 194481 |
| 22 | 234256 |
| 23 | 529 |
| 24 | 110075314176 |
| 25 | -15625 |
| 26 | 456976 |
| 27 | 531441 |
| 28 | 481890304 |
| 29 | 841 |
| 30 | 656100000000 |
| 31 | 961 |
| 32 | 1073741824 |
| 33 | 1185921 |