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 | 10384593717069655257060992658440191 |
| 2 | 2854495385411919762116571938898990272765493247 |
| 3 | 182687704666362864775460604089535377456991567871 |