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 | 5 |
| 5 | 1 |
| 6 | 17 |
| 7 | 1 |
| 8 | 49 |
| 9 | 28 |
| 10 | 129 |
| 11 | 1 |
| 12 | 564 |
| 13 | 1 |
| 14 | 769 |
| 15 | 1459 |
| 16 | 2049 |
| 17 | 1 |
| 18 | 11387 |
| 19 | 1 |
| 20 | 13313 |
| 21 | 32806 |
| 22 | 20481 |
| 23 | 1 |
| 24 | 223798 |
| 25 | 3126 |
| 26 | 98305 |
| 27 | 551125 |
| 28 | 540673 |
| 29 | 1 |
| 30 | 2662642 |
| 31 | 1 |
| 32 | 3276801 |
| 33 | 7971616 |
| 34 | 2097153 |
| 35 | 1171876 |
| 36 | 48412424 |
| 37 | 1 |
| 38 | 9437185 |
| 39 | 105225319 |
| 40 | 121675204 |
| 41 | 1 |
| 42 | 416694239 |
| 43 | 1 |
| 44 | 591396865 |