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 | 68 |
| 2 | 17500 |
| 3 | 5053176 |
| 4 | 435034872 |
| 5 | 3079148398 |
| 6 | 107924794257 |
| 7 | 122918945808 |
| 8 | 63602175290616 |
| 9 | 27232626132792608 |
| 10 | 131685306017557752 |