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 | 96 |
| 1 | 0 |
| 2 | 576 |
| 3 | 588 |
| 4 | 2304 |
| 5 | 5832 |
| 6 | 10800 |
| 7 | 36300 |
| 8 | 84960 |
| 9 | 198744 |
| 10 | 750288 |
| 11 | 1500300 |
| 12 | 5268480 |
| 13 | 12588840 |
| 14 | 35120088 |
| 15 | 98916888 |
| 16 | 260218080 |
| 17 | 750052800 |
| 18 | 2076871104 |
| 19 | 5659178520 |
| 20 | 16308196992 |
| 21 | 43665390000 |
| 22 | 125610109872 |
| 23 | 344058507576 |