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) |
|---|---|
| 0 | 0 |
| 1 | 8191 |
| 2 | 1040447 |
| 3 | 1048512 |
| 4 | 15786439 |
| 5 | 15793720 |
| 6 | 16712184 |
| 7 | 16719367 |
| 8 | 53683801 |
| 9 | 53688742 |
| 10 | 54314598 |
| 11 | 54319513 |
| 12 | 63162270 |
| 13 | 63166561 |
| 14 | 63711137 |
| 15 | 63715422 |
| 16 | 89475754 |
| 17 | 89478485 |
| 18 | 89827989 |
| 19 | 89830762 |
| 20 | 94743405 |
| 21 | 94745746 |
| 22 | 95046482 |