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) |
|---|---|
| 3 | 150 |
| 4 | 820 |
| 5 | 2751 |
| 6 | 9298 |
| 7 | 18016 |
| 8 | 38907 |
| 9 | 62286 |
| 10 | 110681 |