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 | 6 |
| 3 | 1 |
| 4 | 36 |
| 5 | 18 |
| 6 | 1 |
| 7 | 216 |
| 8 | 252 |
| 9 | 36 |
| 10 | 1 |
| 11 | 1296 |
| 12 | 3240 |
| 13 | 900 |
| 14 | 60 |
| 15 | 1 |
| 16 | 7776 |
| 17 | 40176 |
| 18 | 19440 |
| 19 | 2340 |
| 20 | 90 |
| 21 | 1 |
| 22 | 46656 |
| 23 | 489888 |
| 24 | 390096 |
| 25 | 75600 |
| 26 | 5040 |
| 27 | 126 |
| 28 | 1 |
| 29 | 279936 |
| 30 | 5925312 |
| 31 | 7511616 |
| 32 | 2204496 |
| 33 | 226800 |
| 34 | 9576 |
| 35 | 168 |
| 36 | 1 |
| 37 | 1679616 |
| 38 | 71383680 |