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 | 13069482857 |
| 2 | 16974853201 |
| 3 | 18260734519 |
| 4 | 23759084161 |
| 5 | 24785139601 |
| 6 | 25089467413 |
| 7 | 29384567041 |
| 8 | 38706945421 |
| 9 | 41390257861 |
| 10 | 49065821737 |
| 11 | 65829130417 |
| 12 | 67903858241 |
| 13 | 76953210841 |
| 14 | 98642074513 |
| 15 | 100695314287 |
| 16 | 106237698451 |
| 17 | 106751489293 |
| 18 | 110586343297 |
| 19 | 113646829507 |
| 20 | 116548907329 |