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 | 9 |
| 1 | 189 |
| 2 | 1431 |
| 3 | 5355 |
| 4 | 14310 |
| 5 | 31374 |
| 6 | 60354 |
| 7 | 105786 |
| 8 | 172935 |
| 9 | 267795 |
| 10 | 397089 |
| 11 | 568269 |