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 | 5 |
| 4 | 21 |
| 5 | 25 |
| 6 | 35 |
| 7 | 55 |
| 8 | 185 |
| 9 | 265 |
| 10 | 563 |
| 11 | 569 |
| 12 | 733 |
| 13 | 3350 |
| 14 | 3469 |
| 15 | 6010 |
| 16 | 6779 |
| 17 | 10689 |
| 18 | 11143 |
| 19 | 14505 |
| 20 | 18016 |
| 21 | 30561 |
| 22 | 31588 |
| 23 | 37757 |
| 24 | 59611 |
| 25 | 65816 |
| 26 | 67106 |
| 27 | 75904 |
| 28 | 118361 |
| 29 | 214379 |
| 30 | 241564 |
| 31 | 255196 |
| 32 | 414221 |
| 33 | 648152 |
| 34 | 703812 |
| 35 | 881848 |
| 36 | 1153107 |
| 37 | 1277048 |
| 38 | 1407769 |
| 39 | 1719552 |
| 40 | 1775846 |
| 41 | 2722607 |
| 42 | 3177728 |