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) |
|---|---|
| 2 | 1 |
| 3 | 8 |
| 4 | 1024 |
| 5 | 33554432 |
| 6 | 72057594037927936 |
| 7 | 664613997892457936451903530140172288 |
| 8 | 113078212145816597093331040047546785012958969400039613319782796882727665664 |