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 | 16 |
| 3 | 1296 |
| 4 | 512 |
| 5 | 81 |
| 6 | 10000 |
| 7 | 2985984 |
| 8 | 38416 |
| 9 | 50625 |
| 10 | 65536 |
| 11 | 34012224 |
| 12 | 64000000 |
| 13 | 194481 |
| 14 | 234256 |
| 15 | 110075314176 |
| 16 | 625 |
| 17 | 456976 |
| 18 | 19683 |
| 19 | 481890304 |
| 20 | 19683000000000 |
| 21 | 33554432 |
| 22 | 1185921 |
| 23 | 1336336 |
| 24 | 1500625 |
| 25 | 2821109907456 |
| 26 | 2085136 |
| 27 | 2313441 |
| 28 | 6553600000000 |
| 29 | 406671383849472 |