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) |
|---|---|
| 3 | 1 |
| 4 | 8 |
| 5 | 40 |
| 6 | 5 |
| 7 | 160 |
| 8 | 60 |
| 9 | 560 |
| 10 | 420 |
| 11 | 21 |
| 12 | 1792 |
| 13 | 2240 |
| 14 | 336 |
| 15 | 5376 |
| 16 | 10080 |
| 17 | 3024 |
| 18 | 84 |
| 19 | 15360 |
| 20 | 40320 |
| 21 | 20160 |
| 22 | 1680 |
| 23 | 42240 |
| 24 | 147840 |
| 25 | 110880 |
| 26 | 18480 |
| 27 | 330 |
| 28 | 112640 |
| 29 | 506880 |
| 30 | 532224 |
| 31 | 147840 |
| 32 | 7920 |
| 33 | 292864 |
| 34 | 1647360 |
| 35 | 2306304 |
| 36 | 960960 |
| 37 | 102960 |