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 | 3 |
| 3 | 16 |
| 4 | 125 |
| 5 | 1296 |
| 6 | 16807 |
| 7 | 262864 |
| 8 | 4829049 |
| 9 | 102073600 |
| 10 | 2441582891 |
| 11 | 65201946624 |
| 12 | 1922453391157 |
| 13 | 62009850843136 |
| 14 | 2171369477933775 |
| 15 | 82007515430081536 |
| 16 | 3322113623606686193 |
| 17 | 143662773881554108416 |
| 18 | 6604529623711334804179 |
| 19 | 321608928954695680000000 |