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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 1 |
| 5 | 5 |
| 6 | 3 |
| 7 | 3 |
| 8 | 1 |
| 9 | 9 |
| 10 | 9 |
| 11 | 5 |
| 12 | 3 |
| 13 | 17 |
| 14 | 33 |
| 15 | 3 |
| 16 | 1 |
| 17 | 2049 |
| 18 | 3 |
| 19 | 65 |
| 20 | 33 |
| 21 | 17 |
| 22 | 129 |
| 23 | 9 |
| 24 | 513 |
| 25 | 35 |
| 26 | 131073 |
| 27 | 32769 |
| 28 | 3 |
| 29 | 32769 |
| 30 | 3 |
| 31 | 65 |
| 32 | 81 |
| 33 | 17 |
| 34 | 513 |
| 35 | 16385 |
| 36 | 8193 |
| 37 | 9 |
| 38 | 2049 |
| 39 | 33554433 |
| 40 | 97 |
| 41 | 65 |
| 42 | 129 |
| 43 | 515 |
| 44 | 131073 |
| 45 | 129 |
| 46 | 32769 |
| 47 | 5 |
| 48 | 21 |
| 49 | 1073741825 |
| 50 | 8388609 |
| 51 | 65 |
| 52 | 2097153 |
| 53 | 5 |
| 54 | 8589934593 |
| 55 | 3 |
| 56 | 81 |