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 | 2 |
| 2 | 32896 |
| 3 | 402975273205975947935744 |
| 4 | 4824670384888174809315457708695329515706856139873561594988392833332671414272 |