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 | 8 |
| 2 | 75 |
| 3 | 796 |
| 4 | 9176 |
| 5 | 111936 |
| 6 | 1421968 |
| 7 | 18618560 |
| 8 | 249542400 |
| 9 | 3407171584 |
| 10 | 47226230528 |
| 11 | 662805371904 |
| 12 | 9400304896000 |
| 13 | 134517761982464 |
| 14 | 1939837469085696 |
| 15 | 28162286932246528 |
| 16 | 411276783645753344 |