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 | 1 |
| 2 | 187 |
| 3 | 3237326 |
| 4 | 3515987 |
| 5 | 22572473 |
| 6 | 516675965 |
| 7 | 516963965 |
| 8 | 41863638649 |
| 9 | 35632297938395 |