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 | 3 |
| 5 | 1 |
| 6 | 12 |
| 7 | 7 |
| 8 | 1 |
| 9 | 60 |
| 10 | 47 |
| 11 | 12 |
| 12 | 1 |
| 13 | 360 |
| 14 | 342 |
| 15 | 119 |
| 16 | 18 |
| 17 | 1 |
| 18 | 2520 |
| 19 | 2754 |
| 20 | 1175 |
| 21 | 245 |
| 22 | 25 |
| 23 | 1 |
| 24 | 20160 |
| 25 | 24552 |
| 26 | 12154 |
| 27 | 3135 |
| 28 | 445 |
| 29 | 33 |
| 30 | 1 |
| 31 | 181440 |
| 32 | 241128 |
| 33 | 133938 |
| 34 | 40369 |
| 35 | 7140 |
| 36 | 742 |
| 37 | 42 |
| 38 | 1 |
| 39 | 1814400 |
| 40 | 2592720 |
| 41 | 1580508 |
| 42 | 537628 |
| 43 | 111769 |
| 44 | 14560 |
| 45 | 1162 |
| 46 | 52 |
| 47 | 1 |
| 48 | 19958400 |