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 | 2 |
| 3 | 2 |
| 4 | 12 |
| 5 | 12 |
| 6 | 3 |
| 7 | 108 |
| 8 | 108 |
| 9 | 36 |
| 10 | 4 |
| 11 | 1280 |
| 12 | 1280 |
| 13 | 480 |
| 14 | 80 |
| 15 | 5 |
| 16 | 18750 |
| 17 | 18750 |
| 18 | 7500 |
| 19 | 1500 |
| 20 | 150 |
| 21 | 6 |
| 22 | 326592 |
| 23 | 326592 |
| 24 | 136080 |
| 25 | 30240 |
| 26 | 3780 |
| 27 | 252 |
| 28 | 7 |
| 29 | 6588344 |
| 30 | 6588344 |
| 31 | 2823576 |
| 32 | 672280 |
| 33 | 96040 |
| 34 | 8232 |
| 35 | 392 |
| 36 | 8 |