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 | 387420480 |
| 10 | 9999999100 |
| 11 | 285311610111 |
| 12 | 8916096934416 |
| 13 | 302874913851133 |
| 14 | 11111996418957812 |
| 15 | 437893325100944175 |
| 16 | 18446712799609551616 |
| 17 | 827238486905202346257 |
| 18 | 39346304291930549899764 |
| 19 | 1978413388840508514186871 |