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 | 336 |
| 2 | 188496 |
| 3 | 16857792 |
| 4 | 397539408 |
| 5 | 4631004000 |
| 6 | 34415623872 |
| 7 | 187484309376 |
| 8 | 814908160080 |
| 9 | 2975513303952 |
| 10 | 9486512350560 |
| 11 | 27053125549632 |
| 12 | 70486112362176 |
| 13 | 169930901206752 |
| 14 | 384163721375616 |