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 | 504 |
| 2 | 2394 |
| 3 | 5544 |
| 4 | 10584 |
| 5 | 12600 |
| 6 | 21600 |
| 7 | 26880 |
| 8 | 35712 |
| 9 | 129948 |
| 10 | 134087 |
| 11 | 140760 |
| 12 | 155834 |
| 13 | 176363 |
| 14 | 222750 |
| 15 | 245520 |
| 16 | 263970 |
| 17 | 283974 |
| 18 | 321906 |
| 19 | 348128 |
| 20 | 357184 |
| 21 | 382092 |
| 22 | 405876 |
| 23 | 589160 |
| 24 | 675958 |
| 25 | 755008 |
| 26 | 829994 |
| 27 | 892800 |
| 28 | 955206 |
| 29 | 1017792 |
| 30 | 1048320 |