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 | 24 |
| 2 | 216 |
| 3 | 888 |
| 4 | 1752 |
| 5 | 3024 |
| 6 | 7992 |
| 7 | 8256 |
| 8 | 14040 |
| 9 | 24216 |
| 10 | 27216 |
| 11 | 31968 |
| 12 | 64824 |
| 13 | 52752 |
| 14 | 74304 |
| 15 | 111888 |
| 16 | 112344 |
| 17 | 117936 |
| 18 | 217944 |
| 19 | 164640 |
| 20 | 220752 |
| 21 | 305472 |
| 22 | 287712 |
| 23 | 292032 |
| 24 | 519480 |
| 25 | 378024 |
| 26 | 474768 |
| 27 | 654072 |