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 | 3 |
| 3 | 41 |
| 4 | 1159 |
| 5 | 50049 |
| 6 | 2908411 |
| 7 | 212358985 |
| 8 | 18665359119 |
| 9 | 1917971421185 |
| 10 | 225555471838387 |
| 11 | 29871434052884841 |
| 12 | 4398867465890529303 |
| 13 | 712959801840558794625 |
| 14 | 126115813138335816685995 |