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 | 288230376151711744 |
| 2 | 4710128697246244834921603689 |
| 3 | 34694469519536141888238489627838134765625 |
| 4 | 10367793076318844190248738727596255138212949486449 |