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 | 24 |
| 2 | 576 |
| 3 | 3858 |
| 4 | 46878 |
| 5 | 516724 |
| 6 | 5517786 |
| 7 | 60684900 |
| 8 | 661767626 |
| 9 | 7210995166 |
| 10 | 78708157668 |
| 11 | 858531177576 |
| 12 | 9365112576008 |
| 13 | 102166147775280 |
| 14 | 1114491009075716 |
| 15 | 12157784157741082 |
| 16 | 132627063247482110 |
| 17 | 1446796068890738540 |