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 | 1597 |
| 1 | 28657 |
| 2 | 433494437 |
| 3 | 2971215073 |
| 4 | 99194853094755497 |
| 5 | 1066340417491710595814572169 |
| 6 | 19134702400093278081449423917 |