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 | 4 |
| 3 | 27 |
| 4 | 256 |
| 5 | 3125 |
| 6 | 46656 |
| 7 | 823543 |
| 8 | 16777216 |
| 9 | 387420489 |
| 10 | 10 |
| 11 | 121 |
| 12 | 1728 |
| 13 | 28561 |
| 14 | 537824 |
| 15 | 11390625 |
| 16 | 268435456 |
| 17 | 6975757441 |
| 18 | 198359290368 |
| 19 | 6131066257801 |
| 20 | 400 |
| 21 | 9261 |
| 22 | 234256 |
| 23 | 6436343 |
| 24 | 191102976 |
| 25 | 6103515625 |
| 26 | 208827064576 |
| 27 | 7625597484987 |