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 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 2 |
| 5 | 2 |
| 6 | 6 |
| 7 | 6 |
| 8 | 48 |
| 9 | 60 |
| 10 | 168 |
| 11 | 144 |
| 12 | 288 |
| 13 | 1872 |
| 14 | 3744 |
| 15 | 5760 |
| 16 | 11520 |
| 17 | 161280 |
| 18 | 322560 |
| 19 | 1866240 |
| 20 | 2903040 |
| 21 | 10782720 |
| 22 | 8294400 |
| 23 | 24883200 |
| 24 | 282009600 |
| 25 | 846028800 |
| 26 | 3060633600 |
| 27 | 9181900800 |
| 28 | 10450944000 |
| 29 | 31352832000 |
| 30 | 668860416000 |
| 31 | 1881169920000 |
| 32 | 17850212352000 |
| 33 | 41009504256000 |
| 34 | 248816074752000 |
| 35 | 381752082432000 |