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 | 9 |
| 3 | 75 |
| 4 | 677 |
| 5 | 6229 |
| 6 | 58770 |
| 7 | 564650 |
| 8 | 5472472 |
| 9 | 53396224 |
| 10 | 523382007 |
| 11 | 5148387363 |
| 12 | 50778098799 |
| 13 | 501864775685 |
| 14 | 4968288427006 |