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 | 3 |
| 2 | 27 |
| 3 | 776 |
| 4 | 59052 |
| 5 | 14348907 |
| 6 | 10460353203 |
| 7 | 22876792454961 |
| 8 | 150094717239776832 |