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 | 2 |
| 2 | 4 |
| 3 | 9 |
| 4 | 34 |
| 5 | 91 |
| 6 | 66 |
| 7 | 534 |
| 8 | 121 |
| 9 | 134 |
| 10 | 716 |
| 11 | 40391 |
| 12 | 516 |