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 | 133920 |
| 10 | 138240 |
| 11 | 139104 |
| 12 | 157248 |
| 13 | 168480 |
| 14 | 224640 |
| 15 | 245520 |
| 16 | 262080 |
| 17 | 294840 |
| 18 | 311040 |
| 19 | 348192 |
| 20 | 357120 |
| 21 | 388800 |
| 22 | 399168 |
| 23 | 645624 |
| 24 | 698544 |
| 25 | 749952 |
| 26 | 756000 |
| 27 | 892800 |
| 28 | 955206 |
| 29 | 1017792 |
| 30 | 1048320 |
| 31 | 1270080 |
| 32 | 1296000 |
| 33 | 1296000 |
| 34 | 1315440 |
| 35 | 1347840 |
| 36 | 1451520 |
| 37 | 1522800 |
| 38 | 1666560 |
| 39 | 1781136 |
| 40 | 1879200 |
| 41 | 2041200 |