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 | 128 |
| 3 | 12758 |
| 4 | 5134240 |
| 5 | 67898771 |
| 6 | 11146309947 |
| 7 | 766834015734 |
| 8 | 4968618780985762 |