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 | 72 |
| 2 | 216 |
| 3 | 432 |
| 4 | 1296 |
| 5 | 864 |
| 6 | 7200 |
| 7 | 2592 |
| 8 | 6912 |
| 9 | 10800 |
| 10 | 7776 |
| 11 | 15552 |
| 12 | 27000 |
| 13 | 41472 |
| 14 | 21600 |
| 15 | 31104 |
| 16 | 884736 |
| 17 | 54000 |
| 18 | 64800 |
| 19 | 129600 |
| 20 | 86400 |
| 21 | 248832 |
| 22 | 172800 |
| 23 | 162000 |
| 24 | 5308416 |
| 25 | 108000 |
| 26 | 194400 |
| 27 | 216000 |
| 28 | 518400 |
| 29 | 388800 |
| 30 | 810000 |
| 31 | 1323000 |
| 32 | 1058400 |
| 33 | 1382400 |
| 34 | 324000 |
| 35 | 432000 |
| 36 | 2073600 |