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 | 2167 |
| 2 | 91157 |
| 3 | 3436266 |
| 4 | 134840527 |
| 5 | 5228522011 |
| 6 | 203570564774 |
| 7 | 7915660174974 |
| 8 | 307926979784837 |
| 9 | 11976979258313503 |
| 10 | 465872448754593695 |
| 11 | 18120917050387510050 |
| 12 | 704848019543121767190 |
| 13 | 27416378429106168358674 |