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 | 8 |
| 4 | 64 |
| 5 | 1331 |
| 6 | 64000 |
| 7 | 6400075 |
| 8 | 1404928000 |
| 9 | 677298787768 |
| 10 | 712186032947200 |
| 11 | 1635557819719974912 |
| 12 | 8209592592625295700893 |
| 13 | 90036881979773511965369428 |
| 14 | 2157454308508779392217680572439 |
| 15 | 112955975573487831948842897960075264 |
| 16 | 12921763288870998051759383983484279183072 |
| 17 | 3229803978189426975602886931834056243712000000 |