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 | 1 |
| 3 | 8 |
| 4 | 3375 |
| 5 | 7645373 |
| 6 | 9393931 |
| 7 | 97972181 |
| 8 | 20683643625 |
| 9 | 25803133875 |
| 10 | 56698339857713 |
| 11 | 57570584012397 |
| 12 | 69807297234375 |
| 13 | 155568963323390625 |
| 14 | 158134170512197125 |
| 15 | 191356897019781375 |
| 16 | 426879024292396457153 |