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 | 432 |
| 3 | 40000 |
| 4 | 4802000 |
| 5 | 672126336 |
| 6 | 104133351168 |
| 7 | 17341997916672 |
| 8 | 3048398071290000 |
| 9 | 558804401233936000 |
| 10 | 105925743088302215936 |
| 11 | 20636658594095770856448 |
| 12 | 4113235881503101575668992 |
| 13 | 835806107659613266400000000 |
| 14 | 172665358079973774114240000000 |