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 | 4421 |
| 2 | 44851 |
| 3 | 1194961 |
| 4 | 2367691 |
| 5 | 138609979 |
| 6 | 820015717 |
| 7 | 72942989237 |
| 8 | 72942989237 |