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 | 1367520 |
| 2 | 5470080 |
| 3 | 12307680 |
| 4 | 21880320 |
| 5 | 32672640 |
| 6 | 34188000 |
| 7 | 49230720 |
| 8 | 58544640 |
| 9 | 67008480 |
| 10 | 71831760 |
| 11 | 73513440 |
| 12 | 87521280 |
| 13 | 110769120 |
| 14 | 130690560 |
| 15 | 136752000 |
| 16 | 165469920 |
| 17 | 196922880 |
| 18 | 209969760 |
| 19 | 221205600 |
| 20 | 231110880 |
| 21 | 234178560 |
| 22 | 268033920 |
| 23 | 287327040 |
| 24 | 294053760 |
| 25 | 307692000 |