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 | 546 |
| 2 | 45136 |
| 3 | 739648 |
| 4 | 5752422 |
| 5 | 3053080576 |
| 6 | 781678084096 |
| 7 | 12506920910848 |
| 8 | 209831713740735643648 |
| 9 | 241919495232854688763577028051799638016 |