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 | 8 |
| 2 | 47 |
| 3 | 242 |
| 4 | 2163 |
| 5 | 21042 |
| 6 | 72662 |
| 7 | 1555572 |
| 8 | 16485763 |
| 9 | 169053487 |
| 10 | 2017326722 |