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) |
|---|---|
| 0 | 1 |
| 1 | 387420489 |
| 2 | 88817841970012523233890533447265625 |
| 3 | 66009724686219550843768321818371771650147004059278069406814190436565131829325062449 |