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 | 5 |
| 2 | 529 |
| 3 | 529984 |
| 4 | 52998485796 |
| 5 | 5299848579629072273476 |
| 6 | 529984857962907227347600150092608188876380736 |