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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 1 |
| 8 | 5 |
| 9 | 3 |
| 10 | 11 |
| 11 | 1 |
| 12 | 105 |
| 13 | 1 |
| 14 | 43 |
| 15 | 33 |
| 16 | 85 |
| 17 | 1 |
| 18 | 1197 |
| 19 | 1 |
| 20 | 1705 |
| 21 | 129 |
| 22 | 683 |
| 23 | 1 |
| 24 | 23205 |
| 25 | 11 |
| 26 | 2731 |
| 27 | 171 |
| 28 | 27305 |
| 29 | 1 |
| 30 | 2370291 |
| 31 | 1 |
| 32 | 21845 |
| 33 | 2049 |
| 34 | 43691 |
| 35 | 473 |
| 36 | 5679765 |
| 37 | 1 |
| 38 | 174763 |
| 39 | 8193 |
| 40 | 5941925 |
| 41 | 1 |
| 42 | 621456339 |
| 43 | 1 |
| 44 | 6990505 |
| 45 | 622611 |
| 46 | 2796203 |
| 47 | 1 |
| 48 | 1437248085 |
| 49 | 43 |
| 50 | 346729141 |
| 51 | 131073 |
| 52 | 111848105 |
| 53 | 1 |
| 54 | 22861753173 |
| 55 | 7513 |
| 56 | 1521134245 |