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 | 1 |
| 2 | 8 |
| 3 | 1520 |
| 4 | 50624 |
| 5 | 62000 |
| 6 | 103040 |
| 7 | 199808 |
| 8 | 221840 |
| 9 | 269360 |
| 10 | 463760 |
| 11 | 690560 |
| 12 | 848240 |
| 13 | 986048 |
| 14 | 1252160 |
| 15 | 1418480 |
| 16 | 2169728 |
| 17 | 2692880 |
| 18 | 2792240 |
| 19 | 3448448 |
| 20 | 3721040 |
| 21 | 3932288 |
| 22 | 5574320 |
| 23 | 5716880 |
| 24 | 6066368 |
| 25 | 6890624 |
| 26 | 6922160 |
| 27 | 8485568 |