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) |
|---|---|
| 1 | 512 |
| 2 | 9728 |
| 3 | 416256 |
| 4 | 25703936 |
| 5 | 1957983744 |
| 6 | 1705359223200 |
| 7 | 16300354777600 |
| 8 | 1668063096387072 |
| 9 | 179845756064329728 |
| 10 | 20206497983891554816 |