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 | 3 |
| 3 | 3 |
| 4 | 17 |
| 5 | 25 |
| 6 | 17 |
| 7 | 155 |
| 8 | 259 |
| 9 | 259 |
| 10 | 155 |
| 11 | 2073 |
| 12 | 3681 |
| 13 | 4289 |
| 14 | 3681 |
| 15 | 2073 |
| 16 | 38227 |
| 17 | 70235 |
| 18 | 88507 |
| 19 | 88507 |
| 20 | 70235 |
| 21 | 38227 |
| 22 | 929569 |
| 23 | 1744457 |
| 24 | 2302121 |
| 25 | 2500393 |
| 26 | 2302121 |
| 27 | 1744457 |
| 28 | 929569 |
| 29 | 28820619 |
| 30 | 54852531 |
| 31 | 74568595 |
| 32 | 85191699 |
| 33 | 85191699 |
| 34 | 74568595 |