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 | 0 |
| 1 | 1 |
| 2 | 32832 |
| 3 | 21524454 |
| 4 | 2147491840 |
| 5 | 76293984375 |
| 6 | 1410555093696 |
| 7 | 16616465696572 |
| 8 | 140737489403904 |
| 9 | 926510096817405 |
| 10 | 5000000005000000 |
| 11 | 22974864941529666 |
| 12 | 92442129465434112 |
| 13 | 332708304622964179 |
| 14 | 1088976668957392320 |