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 | 720 |
| 2 | 3360 |
| 3 | 10752 |
| 4 | 27648 |
| 5 | 61440 |
| 6 | 122880 |
| 7 | 226800 |
| 8 | 392832 |
| 9 | 646128 |
| 10 | 1018080 |
| 11 | 1547040 |
| 12 | 2279040 |
| 13 | 3268512 |
| 14 | 4579008 |
| 15 | 6283920 |
| 16 | 8467200 |
| 17 | 11224080 |
| 18 | 14661792 |
| 19 | 18900288 |
| 20 | 24072960 |
| 21 | 30327360 |
| 22 | 37825920 |
| 23 | 46746672 |
| 24 | 57283968 |
| 25 | 69649200 |