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 | 103 |
| 3 | 112 |
| 4 | 2621 |
| 5 | 30576 |
| 6 | 77168 |
| 7 | 694512 |
| 8 | 9919728 |
| 9 | 24770928 |
| 10 | 55638128 |
| 11 | 57268848 |
| 12 | 80995824 |
| 13 | 1300820976 |