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 | 108 |
| 2 | 2736 |
| 3 | 80112 |
| 4 | 2097552 |
| 5 | 52394312 |
| 6 | 1265974992 |
| 7 | 29881402560 |
| 8 | 693021071760 |
| 9 | 15854541802056 |
| 10 | 358760880894864 |
| 11 | 8045649521280080 |
| 12 | 179088561311942528 |
| 13 | 3961164069598726264 |
| 14 | 87139967884594089296 |
| 15 | 1907940856141713336608 |