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 | 9999999990 |
| 11 | 285311669390 |
| 12 | 8916100350828 |
| 13 | 302875100019492 |
| 14 | 11112006413890382 |
| 15 | 437893865348970030 |
| 16 | 18446742559675475760 |
| 17 | 827240169494482480880 |
| 18 | 39346402337538654701772 |
| 19 | 1978419291074273862219834 |