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 | 2 |
| 3 | 1849 |
| 4 | 2 |
| 5 | 266423227914725931 |
| 6 | 3100840870711697060720215047 |
| 7 | 845486430620513036335402848567278325780455810752216401 |
| 8 | 4 |