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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 15 |
| 4 | 5 |
| 5 | 3 |
| 6 | 9 |
| 7 | 255 |
| 8 | 85 |
| 9 | 51 |
| 10 | 153 |
| 11 | 15 |
| 12 | 165 |
| 13 | 195 |
| 14 | 105 |
| 15 | 65535 |
| 16 | 21845 |
| 17 | 13107 |
| 18 | 39321 |
| 19 | 3855 |
| 20 | 42405 |
| 21 | 50115 |
| 22 | 26985 |
| 23 | 255 |
| 24 | 43605 |
| 25 | 52275 |
| 26 | 26265 |
| 27 | 61455 |
| 28 | 23205 |
| 29 | 15555 |
| 30 | 38505 |
| 31 | 4294967295 |
| 32 | 1431655765 |
| 33 | 858993459 |
| 34 | 2576980377 |
| 35 | 252645135 |
| 36 | 2779096485 |
| 37 | 3284386755 |