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 | 338688 |
| 2 | 826686 |
| 3 | 2239488 |
| 4 | 3188646 |
| 5 | 6613488 |
| 6 | 14224896 |
| 7 | 3416267673274176 |
| 8 | 6499837226778624 |