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 | 12 |
| 3 | 22 |
| 4 | 168 |
| 5 | 1558 |
| 6 | 5148 |
| 7 | 8062 |
| 8 | 177072 |
| 9 | 860882 |
| 10 | 738492 |
| 11 | 121008888 |
| 12 | 298775878 |
| 13 | 1232566932 |
| 14 | 14864798542 |
| 15 | 58374617952 |