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 | 9 |
| 2 | 233 |
| 3 | 1614 |
| 4 | 9218 |
| 5 | 27755974 |
| 6 | 81259258 |
| 7 | 120526011 |
| 8 | 238732548 |
| 9 | 651265325 |
| 10 | 783609697 |