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 | 27 |
| 2 | 2205 |
| 3 | 194700 |
| 4 | 17874052 |
| 5 | 1678273759 |
| 6 | 159696501022 |
| 7 | 15330248094326 |
| 8 | 1480695423269672 |