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 | 0 |
| 2 | 361 |
| 3 | 2802 |
| 4 | 21949 |
| 5 | 316977 |
| 6 | 3640304 |
| 7 | 46360666 |
| 8 | 582115385 |
| 9 | 7102982284 |
| 10 | 89673817840 |
| 11 | 1109953847172 |
| 12 | 13832059626512 |
| 13 | 172620198739923 |
| 14 | 2146228140110545 |
| 15 | 26771858593225105 |
| 16 | 333424179617097795 |