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 | 33792 |
| 3 | 715392 |
| 4 | 14644152 |
| 5 | 282550680 |
| 6 | 5344944120 |
| 7 | 99308573208 |
| 8 | 1821165633864 |
| 9 | 33033242938536 |
| 10 | 593761996675728 |
| 11 | 10591066349377632 |
| 12 | 187684309946743128 |
| 13 | 3307315733915348808 |
| 14 | 57997191529735867080 |
| 15 | 1012715407159459735536 |