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 | 3 |
| 3 | 10 |
| 4 | 17 |
| 5 | 36 |
| 6 | 68 |
| 7 | 142 |
| 8 | 306 |
| 9 | 651 |
| 10 | 1267 |
| 11 | 2567 |
| 12 | 5236 |
| 13 | 10755 |