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 | 1 |
| 2 | 1 |
| 3 | 12 |
| 4 | 1932 |
| 5 | 3001 |
| 6 | 414732 |
| 7 | 100156812 |
| 8 | 25800145932 |
| 9 | 6922972387212 |
| 10 | 538340717238107532 |
| 11 | 154083590283523737612 |
| 12 | 44652993791591388673932 |
| 13 | 475400918060101145703001 |
| 14 | 3858093084890921488916776332 |