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 | 2 |
| 2 | 36 |
| 3 | 27000 |
| 4 | 1944810000 |
| 5 | 65774855015100000 |
| 6 | 733384949590939374729000000 |
| 7 | 9037114296609938214167920266348510000000 |
| 8 | 78354300210436852307898467208663359164858967744100000000 |