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 | 1 |
| 1 | 1 |
| 2 | 10 |
| 3 | 56 |
| 4 | 1079 |
| 5 | 30493 |
| 6 | 1646000 |
| 7 | 124727148 |
| 8 | 11244522420 |
| 9 | 1063289204514 |
| 10 | 98630203059528 |
| 11 | 8687099045170277 |
| 12 | 716661691995997667 |
| 13 | 55145074470990131334 |
| 14 | 3958951571937696919325 |