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 | 7 |
| 3 | 22 |
| 4 | 93 |
| 5 | 364 |
| 6 | 1734 |
| 7 | 8246 |
| 8 | 41043 |
| 9 | 206602 |
| 10 | 1056831 |
| 11 | 5454954 |
| 12 | 28394727 |
| 13 | 148805868 |
| 14 | 784390909 |