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 | 0 |
| 2 | 75048 |
| 3 | 122183 |
| 4 | 445838 |
| 5 | 868588 |
| 6 | 1078331 |
| 7 | 3152249 |
| 8 | 4337790 |
| 9 | 4962337 |
| 10 | 5101537 |
| 11 | 5572485 |
| 12 | 6638215 |
| 13 | 6948906 |
| 14 | 8155956 |
| 15 | 8298280 |
| 16 | 9217084 |
| 17 | 9752564 |
| 18 | 11416369 |
| 19 | 13331645 |
| 20 | 13539754 |
| 21 | 17782872 |
| 22 | 19480161 |
| 23 | 25473918 |
| 24 | 25614474 |
| 25 | 26299945 |
| 26 | 27593165 |
| 27 | 28335777 |
| 28 | 28906807 |
| 29 | 29231650 |