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 | 84 |
| 2 | 4256 |
| 3 | 169344 |
| 4 | 5843712 |
| 5 | 183794688 |
| 6 | 5421678592 |
| 7 | 152720375808 |
| 8 | 4157366140928 |
| 9 | 110282217357312 |
| 10 | 2867778350481408 |
| 11 | 73424436820180992 |
| 12 | 1857023919127527424 |
| 13 | 46511918954689069056 |
| 14 | 1155904251854380335104 |