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 | 181 |
| 2 | 32761 |
| 3 | 5929741 |
| 4 | 442969881 |
| 5 | 31177656076 |
| 6 | 1732402041622 |
| 7 | 106150557957909 |
| 8 | 6190300153637745 |