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 | 28 |
| 2 | 784 |
| 3 | 21952 |
| 4 | 614656 |
| 5 | 17210368 |
| 6 | 481890304 |
| 7 | 13492928512 |
| 8 | 377801998336 |
| 9 | 10578455953408 |
| 10 | 296196766695424 |
| 11 | 8293509467471872 |
| 12 | 232218265089212416 |
| 13 | 6502111422497947648 |
| 14 | 182059119829942534144 |
| 15 | 5097655355238390956032 |
| 16 | 142734349946674946768896 |
| 17 | 3996561798506898509529088 |