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 | 1375952 |
| 2 | 23938685973 |
| 3 | 28256240134144 |
| 4 | 7093199984236625 |
| 5 | 657759228191876016 |
| 6 | 30505804179367041217 |
| 7 | 850029945152225681408 |