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 | 0 |
| 1 | 0 |
| 2 | 4 |
| 3 | 27 |
| 4 | 1024 |
| 5 | 3125 |
| 6 | 233280 |
| 7 | 823543 |
| 8 | 201326592 |
| 9 | 2324522934 |
| 10 | 70000000000 |
| 11 | 285311670611 |
| 12 | 142657607172096 |
| 13 | 302875106592253 |
| 14 | 100008061430022144 |
| 15 | 3503151123046875000 |
| 16 | 590295810358705651712 |
| 17 | 827240261886336764177 |
| 18 | 826274569581227289083904 |
| 19 | 1978419655660313589123979 |